Tag Archives: machinery plastic

China Customized CNC Parts Made by Metal Aluminum Brass Copper Steel Plastic for Machining Auto Truck Bus Car Motorcycle Bicycle Agricultural Machinery (P329) agricultural parts UK

Solution Description

     

       Heung Kong Precision Technology Co., Ltd. is situated in HangZhou Town, the main town of higher-end production in the ZheJiang -Hong Kong-Macao Higher Bay Region, China. It is a specialist market and trade business concentrating on the layout and manufacture of precision metallic and plastic parts.
       Heung Kong Precision Technology Co., Ltd. is a collaborative innovation cooperation unit of the Innovation Center of HangZhou University of Technology. It has virtually ten stable and trustworthy partners in the Pearl River Delta, delivering clients with competitive costs and substantial-quality tailored solution processing companies.
       Our expert team is composed of a number of engineers in the field of CNC machining with a lot more than 15 years. The organization gives customers with continuous and trustworthy providers and results in benefit for clients by building a mature, steady and large-quality source chain.
       
       Company address:
No. 17, Xihu (West Lake) Dis. Street, Xihu (West Lake) Dis.cheng District, HangZhou Metropolis, ZheJiang Province

Product & Services
 

  Provider

CNC Machining

   Automatic Lathe Machining

Sheet Steel Fabrication

Stamping Elements

Area Remedy

  Content

Aluminum

Stainless Steel, Metal

Brass

Copper

Plastic

  Surface area treatment           Sandblasting, Anodizing Shade, Blackenning, ZincNickl Plating, Sharpening And Brushing,And so on.
  MOQ   Quantity is not limited, small order can be recognized

Drawing Format

Step, CAD, STP, DWG, DXF, PDF, Gis, etc Or Samples

Supply Time

5-twenty five Days, Is dependent on the quantities

Tolerance

+/- .01mm

QC

one hundred% Inspection prior to cargo

OEM&ODM

We can design and style for you or production products identical as your drawing

CNC machining normally refers to computer electronic handle precision machining, CNC machining lathes, CNC machining milling equipment, CNC machining unexciting and milling devices, and so forth.

CNC machining advantages:
one.
The quantity of tooling is tremendously lowered, and intricate tooling is not required to procedure components with intricate designs. If you want to change the form and size of the part, you only need to have to modify the portion processing plan, which is suited for new item advancement and modification.
2. The processing high quality is steady, the processing precision is high, and the repeatability is high, which is ideal for the processing specifications of plane.
three. The generation performance is large in the case of multi-variety and tiny batch manufacturing, which can minimize the time for production preparation, equipment resource adjustment and procedure inspection, and reduces the reducing time because of to the use of the optimal reducing sum.
four. It can approach intricate profiles that are hard to process by typical methods, and even process some unobservable processing parts.

Automatic lathe is a substantial-performance, substantial-precision, lower-sound tool-variety computerized lathe. It is an automatic processing machine resource that controls the processing program by way of a cam (CNC is also a kind of computerized lathe, here refers to a non-CNC automatic lathe).

Advantages of automatic lathe processing:
one. Automatic processing: no manual procedure is needed, and sophisticated areas can be processed at the same time with exterior circle, spherical surface, conical floor, arc surface area, action, groove, embossing, drilling, tapping, die, reducing and other procedures. It can be carried out in 1 processing.
2.Substantial management precision: the precision of the equipment device spindle can attain .003mm, the good adjustment of the slider is managed by a micrometer, and the dimensional management precision can get to .005mm. The bare minimum chopping feed can be controlled to .005, and the roughness of the components (copper components) can be as minimal as Ra0.04-.08.
three. Computerized feeding: the feeding system immediately feeds the major shaft, and the equipment routinely stops and alarms when the substance is finished, and the processing procedure does not demand manual viewing of the materials, achieving a totally automatic production process. One operator can function numerous machines at the identical time.
four. Higher production performance: a machining process is completed for each and every revolution of the cam. Numerous tools can be reduce at the very same time, the processing effectiveness is very substantial, and the processing performance has the positive aspects that CNC can’t match.

Sheet metallic processing is referred to as sheet steel processing. Sheet metallic components are skinny-plate components elements that can be processed by stamping, bending, stretching and other means.

The principal procedures are:
Strain riveting, growing riveting, pulling mother, pulling riveting, riveting, chamfering, bending, forming, chopping, blanking, blanking, punching, punching convex hull, punching and tearing, punching, tapping, leveling , Back enamel, drilling, chamfering, punching, countersinking, flattening, punching mesh, reaming.

The components commonly utilised in sheet metal processing are cold-rolled sheet (SPCC), very hot-rolled sheet (SHCC), galvanized sheet (SECC, SGCC), copper (CU), brass, crimson copper, beryllium copper, aluminum sheet (6061, 5052 , 1571, 1060, 6063, duralumin, and so on.), stainless steel (SUS301, SUS304).

Stamping processing is the production technological innovation of item parts with specific form, size and efficiency by implies of the electrical power of traditional or specific stamping gear, so that the sheet metal is directly subjected to deformation drive in the mould and deformed. It is 1 of the primary methods of plastic functioning (or push functioning) of metals.

Positive aspects of stamping processing:
one.The manufacturing efficiency of stamping processing is higher, and the operation is hassle-free, and it is easy to realize mechanization and automation. The number of strokes of ordinary presses can reach dozens of moments per minute, and the high-pace force can attain hundreds or even countless numbers of instances for each moment, and 1 punching piece may be received per stamping stroke.
two. Because the die assures the dimension and form accuracy of the stamping elements, and generally does not damage the floor quality of the stamping areas, and the daily life of the die is generally extended, the high quality of the stamping is stable and the interchangeability is very good.
three. Stamping can approach components with a broad selection of measurements and complex styles, this sort of as stopwatches as small as clocks, as big as auto longitudinal beams, covering components, and many others., in addition the cold deformation hardening effect of the materials throughout stamping, the toughness and stiffness of stamping are larger.
four. Stamping generally does not create chips and scraps, consumes considerably less material, and does not demand other heating products, so it is a material-conserving and energy-saving processing approach, and the price of stamping components is minimal.

Surface treatment is a process of artificially forming a area layer with various mechanical, actual physical and chemical properties of the substrate on the surface of the substrate.
The function of floor remedy is to satisfy the corrosion resistance, dress in resistance, decoration or other unique purposeful needs of the product.

The most generally used surface treatment method procedures are:
Anodizing, electrophoresis, electroplating, PVD, powder coating, metallic wire drawing, sandblasting, polishing, etching, and so on.

one) What is actually your advantage?
We give non-common/OEM/custom-made services.
We have steady and large-good quality source chain to supply you with steady and dependable services. 
 
two) How soon can I get your quotation?
We generally quote inside 20 hrs. If you are really urgent, pls phone us or tell us in your e mail.

3) Will my design drawing be risk-free after you get it?
 Yes, we can indicator the NDA just before you send the style file.

4) Obtainable for tailored style drawings?
Indeed. The style file format is DWG, DXF,DXW, IGES, Phase, PDF etc.

5) Do you supply samples?
Of course. Just want sample price.The sample cost could be refunded in mass production.
 
6) What is the major time?
It is dependent on the quantity, Typically 7-21 days soon after buy confirmed.

 

US $0.5-50
/ Piece
|
1 Piece

(Min. Order)

###

Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory
Standard: GB, EN, API650, China GB Code, JIS Code, TEMA, ASME
Surface Treatment: Polishing
Production Type: Single Production
Machining Method: CNC Machining
Material: Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron

###

Customization:

###

  Service
CNC Machining
   Automatic Lathe Machining
Sheet Metal Fabrication
Stamping Parts
Surface Treatment
  Material
Aluminum
Stainless Steel, Steel
Brass
Copper
Plastic
  Surface treatment           Sandblasting, Anodizing Color, Blackenning, Zinc\Nickl Plating, Polishing And Brushing,Etc.
  MOQ   Quantity is not limited, small order can be accepted
Drawing Format
STEP, CAD, STP, DWG, DXF, PDF, Gis, etc Or Samples
Delivery Time
5-25 Days, Depends on the quantities
Tolerance
+/- 0.01mm
QC
100% Inspection before shipment
OEM&ODM
We can design for you or production products same as your drawing
US $0.5-50
/ Piece
|
1 Piece

(Min. Order)

###

Application: Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory
Standard: GB, EN, API650, China GB Code, JIS Code, TEMA, ASME
Surface Treatment: Polishing
Production Type: Single Production
Machining Method: CNC Machining
Material: Steel, Plastic, Brass, Alloy, Copper, Aluminum, Iron

###

Customization:

###

  Service
CNC Machining
   Automatic Lathe Machining
Sheet Metal Fabrication
Stamping Parts
Surface Treatment
  Material
Aluminum
Stainless Steel, Steel
Brass
Copper
Plastic
  Surface treatment           Sandblasting, Anodizing Color, Blackenning, Zinc\Nickl Plating, Polishing And Brushing,Etc.
  MOQ   Quantity is not limited, small order can be accepted
Drawing Format
STEP, CAD, STP, DWG, DXF, PDF, Gis, etc Or Samples
Delivery Time
5-25 Days, Depends on the quantities
Tolerance
+/- 0.01mm
QC
100% Inspection before shipment
OEM&ODM
We can design for you or production products same as your drawing

Proper Maintenance of Tractor Parts

Proper maintenance of tractor parts is a necessity if you want to keep them running smoothly. Here are some things to keep in mind:

agriculturalparts

Proper maintenance of tractor parts

To ensure that your tractor is operating at peak efficiency, you should perform preventative maintenance on its various parts. Before opening the cab of your tractor, perform a visual inspection to check for any problems. Look for leaking fluids, hoses, and cables. Tighten loose connections, and clean any debris from these components. Also check the sediment bowl under the fuel filter for any material or water. If the sediment bowl has a large amount of material, it may be time to replace the fuel filter or the air filter.

Despite the monetary cost of maintaining your tractor, a few simple things can keep your investment in top condition. For instance, lubrication can prevent corrosion and friction, while cleaning air filters can extend their useful life. The paint on your tractor should also be inspected regularly. Regular lubrication will help you avoid expensive repairs, and will also increase efficiency. Proper maintenance of tractor parts can also help you prevent heavy rust.

Checking your tractor’s internal parts regularly can prevent big problems from crop failures. Lubricating internal parts helps reduce friction, and you should also replace blown or broken bulbs and exhaust fluid. Regular maintenance at tractor dealers will help prevent potential problems. A dealer will also perform tune-ups and oil changes for you, reducing the chances of unexpected issues. For those who don’t have the time to perform the maintenance themselves, consider visiting a tractor dealership.

In addition to inspecting engine components, you should also regularly check your tractor’s hydraulic system. Make sure that the fluids are in good condition, as rust, internal damage, and engine clogs can be caused by dirty or leaking hydraulic hoses. As with any mechanical system, the engine is the heart of a tractor, so it’s vital to maintain the oil tank as often as possible. For these checks, you can use a reference to your tractor model before purchasing new parts.

To extend the life of tractor parts, owners should regularly change the oil in the engine. This is necessary to prevent wear and tear on the tractor parts. Proper oil changes also increase the resale value of the equipment and extend its performance. You can use a grease gun to freshen up the grease nipples, which prevents the rusting of moving parts. By following these tips, you can make sure that your tractor runs smoothly.

agriculturalparts

Preventative maintenance

Performing preventative maintenance on your tractor is an important way to maintain your machine and minimize the risk of unexpected breakdowns. It is an essential part of tractor ownership because regular maintenance reduces the risk of costly repairs. Before you begin a tractor maintenance program, read the manual to determine what common maintenance items are needed for the specific model. This will help you keep the parts in good shape and save you money in the long run.

Proper checkups on engine fluids, radiator fluid and transmission fluid are essential for maintaining the efficiency of your equipment. It’s important to refill these tanks with clean fluids to avoid rust, internal damage, and engine clogs. The following preventative maintenance tasks are recommended by tractor manufacturers:

Check tire pressure and inflation, as well as inspect the rims and lug nuts. Then, check the axles and drive shafts to ensure they are in good condition. Replace any damaged or missing lug nuts. And lastly, check all lights. Make sure all bulbs are functioning and replaced if necessary. To prevent unnecessary breakdowns, follow these tips to maximize the performance of your tractor. You will be glad you did.

If you have a spare part, be sure to have it on hand. Having a spare part handy will make it easier to do preventative maintenance on your tractor and save you the hassle of calling a repair shop or waiting for the parts to arrive. If you’re looking to get the best value for your money, proactive tractor maintenance is essential. In addition to routine inspections, remember to keep the tractor running at its peak performance level. You may want to have a checkup performed every six months or so.

Operator training is another essential preventive maintenance step. Operators must know how to perform routine maintenance tasks without fail. Operator training can be as simple as a review of the operator’s manual and demonstrating how systems and controls work. Training can also involve training operators on how to use checklists to make sure that all minor maintenance steps are performed correctly. This can save you thousands of dollars in repairs. Also, by performing regular preventative maintenance, you can avoid unexpected breakdowns.

agriculturalparts

Types of filters

A tractor’s air filter, for instance, should be changed on a regular basis to keep the engine performing at peak performance. The reason is that working tractors are constantly exposed to debris and other substances in the driving environment. Even show tractors should periodically check their air filters to ensure they are functioning properly. A single chunk of dust can cause problems inside the sensitive machinery. That is why it’s important to replace filters at the appropriate intervals.

There are several different types of filters on a tractor. The type of filter needed depends on the original reference and the manufacturer. Listed below are some of the most common types of filters used by tractors. CZPT’ website lets you choose the model of your tractor and then offers the corresponding filter made by the original manufacturer. Alternatively, you can choose an adaptable filter of equivalent quality. These filters are designed to fit various types of tractors, ranging from lawnmowers to combines.

Oil, air, and hydraulic filters are essential for tractor parts. Those with oil filters protect hydraulic components from harmful impurities. Fuel filters protect the injector pump from damage caused by debris. If your tractor doesn’t have filters, you’ll experience a variety of problems. You’ll notice odd noises or reduced HP. Or you might smell fuel when the engine starts. If these symptoms sound familiar, it’s a problem with your filters.

Tractor oil filter replaces itself every few months or so. Tractor oil coagulates over time into black globs. If not replaced, the globs clog up engine parts. Tractor oil filter acts like the kidneys and liver of the tractor, filtering brackish globs out of your engine. Like the human body, a tractor’s filters have similar functions to the human body’s. When they stop working properly, your tractor’s engine will no longer function optimally.

China Customized CNC Parts Made by Metal Aluminum Brass Copper Steel Plastic for Machining Auto Truck Bus Car Motorcycle Bicycle Agricultural Machinery (P329)     agricultural parts UKChina Customized CNC Parts Made by Metal Aluminum Brass Copper Steel Plastic for Machining Auto Truck Bus Car Motorcycle Bicycle Agricultural Machinery (P329)     agricultural parts UK
editor by czh 2023-01-05

China factory Custom Packing Equipment Machinery Chain Spare Plastic Injection Molded Parts with Good quality

Product Description

Product Description

Product Custom Plastic Injection Molded Plastic Part 
Optional Materials( Plastic) ABS, NYLON,POM, PA66, PA6, PA12, PVC, PC,PP, PPS, PEEK, PTFE, PET,PBT,..etc.
Other optional material (metal)  Aluminum, Zinc,Copper, steel, BRASS,IRON, Metal…etc.
Quality RoSH, REACH, etc., as required
Drawing  2D, 3D Drawings in DWG, PDF, STP, STEP, DRW, etc.
Logo Accordingly
Packing Our general package is PP plastic bag. We can also do packing according to your requirements.
QC 100% inspection before shipment
Equipment Injection molding machine, extrusion machine, CNC lathe, CNC machining, Automatic lathe, Grinder, Drilling Machines, surface grinder, table lathe, parks machine ect
Our Advantages Reliable Quality
Competitive Price
High precision, tight tolerance
On-Time Delivery
Guaranteed after sales service
Customers’ Satisfaction is our target

 

 

Certifications

 

 

Our Custom service:
Trielite has decades of experience in offering OEM or ODM custom service for all types of rubber, metal and plastic parts and components, such as sheets, boards, fenders, CZPT rails, gears, and other industrial spare parts. 

Your components can be well-produced according to 2D/3D drawings or samples and also they will be quoted at reasonable prices.

Other service:
One-stop custom service ;
24hrs/7days online contact
Free samples
Free Mold

 

FAQ

1. Can you offer factory’s production videos for us to see the process of our product?
Yes, we can offer present processing videos, so that you can know your products are well produced.

2. What is your terms of payment?
We can discuss the payment terms according to your MOQ and other conditions.

3. Can you do custom production?
Yes, we can produce by technical drawings or samples.

4. What about the lead time?
It takes 30 days (20 days for mold and 10 days for mass production).

5. What kind of trade terms can you do?
EX-WORKS,FOB,CIF,DDP DDU

 

Workshop

Company Profile

 

       Tri Elite Corp. Ltd. provides Injection molding,CNC machined, and Extruded plastic parts, Rubber parts and metal parts for all types of industrial needs, such as automotive, electronics, machinery, etc.

        Over 2 decades of development, we have formed professional team with deep insight, advanced technology and teamwork spirit as well as scientific and complete management, scientific research, production and service systems. We are now moving forward vigorously on the road to a sustained and rapid development.

         Our team, facilities allow us to have the capability to offer you high quality and cheap price injection plastic products, rubber seal, rubber gasket, silicone rubber parts, urethane parts, nylon gear, nylon sleeve and more.

 

          Creating value for customers is our business idea and operating an excellent and lasting brand is our business purpose. We will enhance the research and sales strength, consummate marketing and all-around service networks; persist in innovation and providing competitive products. Under the guiding concepts “Unison, Integrity, Industry, Creativity”, we will devote ourselves to the innovation of sophisticated products and will strive hard to meet the continual demands of our customers.

         We hope to build a long business relationship with you! If you have any question or problem, please contact us. We are always here to offer you our service!
In addition to our custom plastic products, we can supply you plastic to metal and metal parts. Please check those products from relative websites or brochures on you needs!

           Any questions or problems, please contact us!

 

Types of Pulley Systems

If you’ve ever tried to lift a pail of water, you’ve probably seen the pulley system in action. Pulleys are extremely useful tools for everything from household appliances to heavy industrial machinery. Different kinds of pulley systems are classified according to their amount of motion. Some types have fixed axes, while others have movable axes. Some common uses of pulleys are listed below.

two-wheel pulley

Pulleys are complex structures with thin-walled and thick-walled sections. Therefore, they require specific forging designs. The tool concept for the production of pulleys is shown in Figure 11.6. Using the generated tool, the pulley can be forged into different shapes. Process parameters must be optimized based on material, surface quality and metallographic analysis.
Pulleys are wheels mounted on shafts. Its main function is to assist the movement of heavy objects. A single-wheel pulley can change the direction of the force, enabling a person to pull heavy objects. A dual-wheel pulley distributes the weight evenly across both wheels, allowing it to lift the same weight with half the effort.
The mechanical advantage of a two-wheel pulley is that it reduces the force required by about half. A 100 kg object can be lifted with a force of 500 Newtons. The mechanical advantage of a pulley with 2 wheels is twice that of a single-wheel pulley. However, care should always be taken when using two-wheel pulleys.
Two-wheel pulleys can be fixed or movable. A single wheel pulley can only change direction when the load is placed on 1 side of the wheel. Two-wheel pulleys change direction when lifting a load, requiring half the force. Live wheels are better for heavier loads. The movable pulley can be adjusted with the load, and the load distribution is more uniform. Active pulleys can be used with single-rope or two-wheel pulleys.
A pulley system with 2 wheels is called a compound pulley. This type of pulley system has a complex design that reduces the force required to move the load. Two-wheel pulleys are common in industrial and construction environments. These pulleys require a lot of space to install and operate. Additionally, they require regular maintenance to avoid wear and tear.
pulley

composite pulley

Compound pulleys are used to increase lift. One fixed pulley is attached to the overhead while the other fixed pulley is attached to the load. This setup minimizes the force required to lift weights, allowing you to lift heavier weights. There are several different types of compound pulleys, each with their own strengths and weaknesses. Below are some examples of their application. Some of the most common are listed below.
Composite pulleys are usually made from 2 different types of wheels. The first 1 is fixed and secure. The second type, movable, is attached to something that moves. The third type, compound pulley, is a combination of a movable pulley and a fixed pulley. Below are 3 types of comparisons. The table below compares them and explains their advantages and disadvantages. Composite pulleys are the most versatile of the three.
The number of sheave segments that make up the composite sheave system increases the mechanical advantage of the system. Each segment adds 1 percent of the total weight, and the ideal mechanical advantage is 2 or more. So a compound pulley with 4 segments will lift three-quarters of the weight. This is because the force applied to the load is multiplied by four. The result is a better boost.
While composite pulleys have many uses, they are most commonly used on larger sailboats. These pulleys work by changing the direction of the control wire or by changing the mechanical force of the rope. They also make it easier to lift heavier objects. Composite pulleys are more expensive than simple pulleys, so consider your needs before buying. The advantages of composite pulleys outweigh the disadvantages.
A basic compound pulley is a device consisting of 2 wheels with fixed points. Ropes are looped around the wheels and are used to lift heavy objects. When you pull on the rope, the rope pulls the 2 wheels closer together. Serious injury could result if this equipment is installed incorrectly. Never exceed the lifting capacity of pulleys and other safety devices that may be attached. When using pulleys, be sure to follow the instructions on the mounting hardware to avoid accidents.
pulley

Fixed pulley

Moving pulleys and fixed pulleys are different types of mechanical devices. The movable pulley moves with the object it is used to lift. Because it attaches to the object it is used to lift, it is great for lifting heavy objects. These devices are used in construction cranes and multipurpose elevators. There are many different types of pulleys, and their uses vary widely. Below is a brief overview of these devices.
The simplest pulley set consists of a wheel that is mounted on the ceiling. A rope is attached at 1 end and a person pulls at the other end. The rope is strong enough to keep a person standing while lifting weights. It takes about 200 Newtons of force to lift a 20 kg weight. In contrast, a movable pulley requires a force of 1000N, which makes it easier to lift heavy objects.
Fixed pulleys are another common lifting device. They work by using ropes and slotted wheels attached to the object to be lifted. These devices are convenient to use because they are easy to set up. Moving the scroll wheel doesn’t change direction, so it’s easier to move objects without putting too much pressure on the back. Unlike a moving rope, a moving object will feel much lighter than its actual weight.
Fixed pulleys are widely used in construction and agriculture. Fixed pulleys can help lift supplies and equipment from scaffolding. These items are often heavy and difficult to lift directly. Fixed pulleys at the top of the scaffolding will allow people at the bottom to lift objects more easily. As a result, those at the bottom are less stressed and more productive. Fixed pulleys will save time and money compared to moving ropes.
Composite pulleys combine fixed and movable pulleys to increase the power of movement. A compound pulley system uses both types of pulleys and enables a person to change direction by reversing the direction of a force. The compound pulley system will save time and effort as the user only has to put in half the effort. Unlike moving ropes, composite pulleys are easy to adjust and are the most versatile system on the market.
pulley

Blocks and tackles

A pulley block system is a rope hoist that uses a set of pulleys mounted on a frame. The blocks are arranged in a row, and the threaded rope is called a pulley. Pulley systems help amplify the tension of the rope and are common in sailboats, cranes and drilling rigs. However, these systems are not without drawbacks.
The pulley pulley system can be equipped with as many pulleys as required. This method allows a person to lift heavy objects. The pulley block system can contain the required number of pulleys to achieve the desired height. The main disadvantage of pulley systems is that they create a lot of friction on the pulley shaft.
Pulley systems use 2 types of pulleys. A movable pulley is attached to the load, allowing it to move with the load. On the other hand, fixed pulleys are fixed on fixed points. Therefore, a pulley block system may consist of multiple pulleys mounted on a shaft. For example, the 2 pulleys attached to the shaft each have their own mechanical advantages.
Several types of tackle systems have been developed in recent centuries. The most basic is the gun mount, which uses 2 pulleys to lift the load. The mechanical advantage of such a system is 2 to 3 times the distance required by the rope to move the load. Depending on how they’re assembled, the system can lift 400 pounds with 80 or 100 pounds of force.
Another type of pulley is a combination of multiple wheels. The wheels on pulleys are supported by a housing or frame. The chain is attached to the pulley, and the rope is pulled to lift it. A combined pulley system will have multiple wheels. As the load increases, the force on the pulley also increases. This approach is generally more expensive than intercept and intercept systems.

China factory Custom Packing Equipment Machinery Chain Spare Plastic Injection Molded Parts     with Good qualityChina factory Custom Packing Equipment Machinery Chain Spare Plastic Injection Molded Parts     with Good quality