China OEM Custom ABS Injection Molded CHINAMFG Custom Plastic Injection Molding Part

Product Description


Product Description

Die casting, refer to high pressure die casting, is a kind of precision casting method that uses high pressure forces the melted metal into a die to get the complex shape of parts people need.
2 key characters of die casting which are high speed and high pressure. Our experienced die casting engineers take control of the temperature, force, speed and timing to get the ideal parts that satisfy the customers’ needs.
Below is our general developing process for a new project.

Our machining process includes CNC machining, turning(lathe) machining, milling, grinding, drilling and tapping.
CNC machining center: brandHass, 3-axis, 4-axis, 5-axis, machining size up to 1016x508x635 mm.
Turning machining: brandTsugamiandDoosan, machining size up to diameter 320x535mm.
Machining accuracy: 0.01mm, roughness up to Ra0.4.
Machining material can be: steel, brass, Aluminum and plastic.

a) ODM parts, design involved and DFM provided
b) Material: ABS with UV property
c) Components quantity is as many as 100+
d) Process included: injection molding, stamping, PCB, rubber sealing parts, Aluminum die casting, motor and so on.
e) Package design and retail package provided
f) low tooling cost input

a) cut/punching/blanking
b) bending
c) deep drawing
d) Laser cut/Water jet cutting/Plasma cutting
e) NC punch
f) NC bending

Injection Moulding
The injection molding process requires an injection molding machine, plastic particles, and a mold. The plastic is melted in the injection molding machine and then injected into the mold, where it cools and solidifies into the final shape. See below picture for greater details.

Aluminum extrusion process is to put the Aluminum blank bar into the mold cavity with the desired structure, under a certain pressure and speed, forcing the blank get to flow, extrusion from the specific die hole in the cavity, so as to obtain the required section shape and size, and has a certain mechanical properties by the extrusion process aforementioned.

a) Aluminum forged and full CNC machined valve for automation equipment
b) Material: 6061-T6
c) By hot forging
d) Forging streamline analysis and streamline lab test report provided,
e) Eddy current testing and ultrasonic testing applied
f) Full CNC machining

Surface Finish
The powder coating process is to spray on the surface of the parts with an electrostatic spray machine. Under the work of static
electricity, the powder will be uniformly adsorbed on the surface of the workpiece to form a powder coating layer. The powder is
cured by high temperature baking and leveling, so that different spraying effects are obtained by using different powder.

Packaging & Shipping

Shipping Delivery time: 25-40 days after payment receipt confirmed ( based on actual quantity).

Packaging: Standard export packing. Or customized as your request.


Place of Origin ZheJiang , China
Our Services Assembly, CNC machining, CNC Milling/turning, Die casting, Aluminum extrusion, 

Rubber molding, Sheet metal stretching, Stamping, Laser Cutting, Welding, Bending, 

Permanent casting,  Cold drawn steel, Forging, Injection molding, Investment casting, 

Plastic machining

Materials Aluminum: 2000 series, 6000 series, 7075, 5052, 3003, etc
Stainless Steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc
Steel:12L14, 1215, 4144, 1045, Q355B, 4140, SCM440, 42CrMo, etc
Brass: C36000, C48500, H59, H62/Bronze/Copper
Titanium: Grade F1-F5
Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc.
Surface Treatment Aluminum anodizing, Mirror polishing, Powder coating, Painting, Plastic plating, 

Zinc plating, Nickel plating, Chrome plating, Electroless nickel plating, PVD, 

CVD,  etc

File Formats PDF, DWG, DXF, TIF, Stp, STEP,  IGS, etc.


Company Profile

Our company is a professional contract manufacturer of custom engineered parts and components. Our in house manufacturing process includes die casting, machining, stamping, welding, powder coating, painting and assembly. With over 10 years of experience of serving overseas customers, now over 95% of our products are for export. We know North America and Europe quality and technical requirements very well. Our sales center is in Toronto, Canada, there is a strong sales team. In HangZhou, China, we have also a sales service office. We are ISO9001: 2000 certified. Quality and customer satisfaction are always our priority.




1. Who are we?

We are based in ZheJiang , China, start from 2003,sell to . There are total about 101-200 people in our office. Over 30 years of serving foreign customers, Meco has built a strong engineering, QC and project management team to provide customers with in housing processes of die casting, injection molding, CNC machining, stamping, powder coating and assembly, and subcontracted processes of investment casting, forging, anodizing and different plating.

2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.What can you buy from us?
Manufacturing & Processing Machinery, Lights & Lighting, Auto Parts & Accessories, Security & Protection, Furniture & Furnishing

4. Why should you buy from us not from other suppliers?
Meco is a contract manufacturer. From our manufacturing facility in HangZhou, China, we can provide our customers products with ODM & OEM and manufacturing services with process of die casting, injection molding, CNC machining, stamping, powder coating and assembly.

5. What services can we provide?
Severing overseas customers since 1996, Meco has built up a strong and experienced team of  engineering, QC, project management and very strong resource integration abilities, providing complete services from product design & development, to mass production and comprehensive logistic arrangement, we can satisfy our customers’ various kinds of procurement strategies, and totally improve your effectiveness and competitiveness. Make their work easier and more efficient.

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After-sales Service: None
Warranty: None
Product Name: Plastic Injection Molding
Material: ABS
Application: Household Product Mold
Transport Package: Customized
US$ 0/Piece
1 Piece(Min.Order)




How does the injection molding process contribute to the production of high-precision parts?

The injection molding process is widely recognized for its ability to produce high-precision parts with consistent quality. Several factors contribute to the precision achieved through injection molding:

1. Tooling and Mold Design:

The design and construction of the injection mold play a crucial role in achieving high precision. The mold is typically made with precision machining techniques, ensuring accurate dimensions and tight tolerances. The mold design considers factors such as part shrinkage, cooling channels, gate location, and ejection mechanisms, all of which contribute to dimensional accuracy and part stability during the molding process.

2. Material Control:

Injection molding allows for precise control over the material used in the process. The molten plastic material is carefully measured and controlled, ensuring consistent material properties and reducing variations in the molded parts. This control over material parameters, such as melt temperature, viscosity, and fill rate, contributes to the production of high-precision parts with consistent dimensions and mechanical properties.

3. Injection Process Control:

The injection molding process involves injecting molten plastic into the mold cavity under high pressure. Advanced injection molding machines are equipped with precise control systems that regulate the injection speed, pressure, and time. These control systems ensure accurate and repeatable filling of the mold, minimizing variations in part dimensions and surface finish. The ability to finely tune and control these parameters contributes to the production of high-precision parts.

4. Cooling and Solidification:

Proper cooling and solidification of the injected plastic material are critical for achieving high precision. The cooling process is carefully controlled to ensure uniform cooling throughout the part and to minimize warping or distortion. Efficient cooling systems in the mold, such as cooling channels or conformal cooling, help maintain consistent temperatures and solidification rates, resulting in precise part dimensions and reduced internal stresses.

5. Automation and Robotics:

The use of automation and robotics in injection molding enhances precision and repeatability. Automated systems ensure consistent and precise handling of molds, inserts, and finished parts, reducing human errors and variations. Robots can perform tasks such as part removal, inspection, and assembly with high accuracy, contributing to the overall precision of the production process.

6. Process Monitoring and Quality Control:

Injection molding processes often incorporate advanced monitoring and quality control systems. These systems continuously monitor and analyze key process parameters, such as temperature, pressure, and cycle time, to detect any variations or deviations. Real-time feedback from these systems allows for adjustments and corrective actions, ensuring that the production remains within the desired tolerances and quality standards.

7. Post-Processing and Finishing:

After the injection molding process, post-processing and finishing techniques, such as trimming, deburring, and surface treatments, can further enhance the precision and aesthetics of the parts. These processes help remove any imperfections or excess material, ensuring that the final parts meet the specified dimensional and cosmetic requirements.

Collectively, the combination of precise tooling and mold design, material control, injection process control, cooling and solidification techniques, automation and robotics, process monitoring, and post-processing contribute to the production of high-precision parts through the injection molding process. The ability to consistently achieve tight tolerances, accurate dimensions, and excellent surface finish makes injection molding a preferred choice for applications that demand high precision.

Can you describe the various post-molding processes, such as assembly or secondary operations, for injection molded parts?

Post-molding processes play a crucial role in the production of injection molded parts. These processes include assembly and secondary operations that are performed after the initial molding stage. Here’s a detailed explanation of the various post-molding processes for injection molded parts:

1. Assembly:

Assembly involves joining multiple injection molded parts together to create a finished product or sub-assembly. The assembly process can include various techniques such as mechanical fastening (screws, clips, or snaps), adhesive bonding, ultrasonic welding, heat staking, or solvent welding. Assembly ensures that the individual molded parts are securely combined to achieve the desired functionality and structural integrity of the final product.

2. Surface Finishing:

Surface finishing processes are performed to enhance the appearance, texture, and functionality of injection molded parts. Common surface finishing techniques include painting, printing (such as pad printing or screen printing), hot stamping, laser etching, or applying specialized coatings. These processes can add decorative features, branding elements, or improve the surface properties of the parts, such as scratch resistance or UV protection.

3. Machining or Trimming:

In some cases, injection molded parts may require additional machining or trimming to achieve the desired final dimensions or remove excess material. This can involve processes such as CNC milling, drilling, reaming, or turning. Machining or trimming is often necessary when tight tolerances, specific geometries, or critical functional features cannot be achieved solely through the injection molding process.

4. Welding or Joining:

Welding or joining processes are used to fuse or bond injection molded parts together. Common welding techniques for plastic parts include ultrasonic welding, hot plate welding, vibration welding, or laser welding. These processes create strong and reliable joints between the molded parts, ensuring structural integrity and functionality in the final product.

5. Insertion of Inserts:

Insertion involves placing metal or plastic inserts into the mold cavity before the injection molding process. These inserts can provide additional strength, reinforce threaded connections, or serve as mounting points for other components. Inserts can be placed manually or using automated equipment, and they become permanently embedded in the molded parts during the molding process.

6. Overmolding or Two-Shot Molding:

Overmolding or two-shot molding processes allow for the creation of injection molded parts with multiple layers or materials. In overmolding, a second material is molded over a pre-existing substrate, providing enhanced functionality, aesthetics, or grip. Two-shot molding involves injecting two different materials into different sections of the mold to create a single part with multiple colors or materials. These processes enable the integration of multiple materials or components into a single injection molded part.

7. Deflashing or Deburring:

Deflashing or deburring processes involve removing excess flash or burrs that may be present on the molded parts after the injection molding process. Flash refers to the excess material that extends beyond the parting line of the mold, while burrs are small protrusions or rough edges caused by the mold features. Deflashing or deburring ensures that the molded parts have smooth edges and surfaces, improving their appearance, functionality, and safety.

8. Inspection and Quality Control:

Inspection and quality control processes are performed to ensure that the injection molded parts meet the required specifications and quality standards. This can involve visual inspection, dimensional measurement, functional testing, or other specialized testing methods. Inspection and quality control processes help identify any defects, inconsistencies, or deviations that may require rework or rejection of the parts, ensuring that only high-quality parts are used in the final product or assembly.

9. Packaging and Labeling:

Once the post-molding processes are complete, the injection molded parts are typically packaged and labeled for storage, transportation, or distribution. Packaging can include individual part packaging, bulk packaging, or custom packaging based on specific requirements. Labeling may involve adding product identification, barcodes, or instructions for proper handling or usage.

These post-molding processes are vital in achieving the desired functionality, appearance, and quality of injection molded parts. They enable the integration of multiple components, surface finishing, dimensional accuracy, and assembly of the final products or sub-assemblies.

Are there different types of injection molded parts, such as automotive components or medical devices?

Yes, there are various types of injection molded parts that are specifically designed for different industries and applications. Injection molding is a versatile manufacturing process capable of producing complex and precise parts with high efficiency and repeatability. Here are some examples of different types of injection molded parts:

1. Automotive Components:

Injection molding plays a critical role in the automotive industry, where it is used to manufacture a wide range of components. Some common injection molded automotive parts include:

  • Interior components: Dashboard panels, door handles, trim pieces, instrument clusters, and center consoles.
  • Exterior components: Bumpers, grilles, body panels, mirror housings, and wheel covers.
  • Under-the-hood components: Engine covers, air intake manifolds, cooling system parts, and battery housings.
  • Electrical components: Connectors, switches, sensor housings, and wiring harnesses.
  • Seating components: Seat frames, headrests, armrests, and seatbelt components.

2. Medical Devices:

The medical industry relies on injection molding for the production of a wide range of medical devices and components. These parts often require high precision, biocompatibility, and sterilizability. Examples of injection molded medical devices include:

  • Syringes and injection pens
  • Implantable devices: Catheters, pacemaker components, orthopedic implants, and surgical instruments.
  • Diagnostic equipment: Test tubes, specimen containers, and laboratory consumables.
  • Disposable medical products: IV components, respiratory masks, blood collection tubes, and wound care products.

3. Consumer Products:

Injection molding is widely used in the production of consumer products due to its ability to mass-produce parts with high efficiency. Examples of injection molded consumer products include:

  • Household appliances: Television and audio equipment components, refrigerator parts, and vacuum cleaner components.
  • Electronics: Mobile phone cases, computer keyboard and mouse, camera components, and power adapters.
  • Toys and games: Action figures, building blocks, puzzles, and board game components.
  • Personal care products: Toothbrushes, razor handles, cosmetic containers, and hairdryer components.
  • Home improvement products: Light switch covers, door handles, power tool housings, and storage containers.

4. Packaging:

Injection molding is widely used in the packaging industry to produce a wide variety of plastic containers, caps, closures, and packaging components. Some examples include:

  • Bottles and containers for food, beverages, personal care products, and household chemicals.
  • Caps and closures for bottles and jars.
  • Thin-walled packaging for food products such as trays, cups, and lids.
  • Blister packs and clamshell packaging for retail products.
  • Packaging inserts and protective foam components.

5. Electronics and Electrical Components:

Injection molding is widely used in the electronics industry for the production of various components and enclosures. Examples include:

  • Connectors and housings for electrical and electronic devices.
  • Switches, buttons, and control panels.
  • PCB (Printed Circuit Board) components and enclosures.
  • LED (Light-Emitting Diode) components and light fixtures.
  • Power adapters and chargers.

These are just a few examples of the different types of injection molded parts. The versatility of injection molding allows for the production of parts in various industries, ranging from automotive and medical to consumer products, packaging, electronics, and more. The specific design requirements and performance characteristics of each part determine the choice of materials, tooling, and manufacturing processes for injection molding.

China OEM Custom ABS Injection Molded CHINAMFG Custom Plastic Injection Molding Part  China OEM Custom ABS Injection Molded CHINAMFG Custom Plastic Injection Molding Part
editor by Dream 2024-04-19