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Custom OEM Precision Injection Molding Automotive Components

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As a trusted manufacturing partner for automotive original equipment manufacturers, we provide custom OEM precision injection molding combined with secondary CNC machining services. Using automotive-grade ABS, polypropylene, and polycarbonate, we produce interior trim, exterior parts, and under-hood components. Our scalable processes ensure cost-effective mass production with exceptional dimensional consistency and repeatability.
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CNC machining is a precise manufacturing process used to produce automotive components with complex geometries and tight tolerances. This process uses computer-controlled machines to remove material from solid blocks, creating parts that meet exact specifications. We offer custom OEM precision CNC machining services for automotive applications, producing components according to customer drawings or samples. Our capabilities support both rapid prototyping and mass production, serving industrial clients across the automotive supply chain.

While we also provide custom injection molding parts as a complementary service, our core expertise lies in CNC machining of metal and plastic components for automotive systems. This dual capability allows us to support complete component manufacturing needs for commercial users.

Key Automotive CNC Machining Applications

Interior Components – Dashboard brackets, control knobs, door handle mechanisms, and trim components

Exterior Parts – Grille inserts, mirror brackets, light housing components, and bumper reinforcements

Under-the-Hood Components – Engine brackets, fluid reservoir mounts, intake manifold components, and sensor housings

Electrical and Connector Systems – Connector pins, fuse box components, wiring harness brackets, and electronic enclosures

Each application requires specific machining techniques and material selections, which our engineering team evaluates based on your design requirements and performance specifications.

Custom OEM Precision Injection Molding Automotive Components

Technical Specifications and Capabilities

Parameter

Specification

Machining Tolerance

±0.001mm

Surface Roughness

Ra0.2 - Ra3.2 (Customizable)

Supported File Formats

STEP, STP, CAD, PDF, DWG, DXF

Machining Processes

5-Axis CNC Machining, Milling, Turning, Wire EDM Machining

Production Volume

Rapid prototyping to high-volume production

Lead Time

Varies based on complexity and quantity

Custom CNC Machining Process

Inquiry and Drawing Review – Receive customer drawings or samples and conduct engineering review

Quotation – Provide detailed price quote based on material, complexity, and volume

Sample Confirmation – Produce prototype samples for customer approval

Mass Production – Begin full-scale production after sample confirmation

Quality Inspection – Conduct dimensional and functional inspections

Delivery – Package and ship finished components according to customer requirements

Flow Chart

Advantages of Our CNC Machining Services

Precision and Consistency – Our CNC machines produce parts with tight tolerances and repeatable accuracy across production runs, ensuring proper fit in complex automotive assemblies.

Material Versatility – We machine a wide range of materials including aluminum, steel, stainless steel, brass, titanium alloys, and engineering plastics.

Design Flexibility – CNC machining supports complex geometries and design modifications, making it suitable for automotive prototyping parts and production components.

Integrated Manufacturing – We offer both CNC machining and custom injection molding services, allowing us to handle complete component manufacturing projects.

OEM Capabilities – We work directly with automotive manufacturers and suppliers to produce custom OEM parts that meet industry standards.

FAQ

What file formats do you accept for custom parts?

We accept all common engineering file formats including STEP, STP, CAD, PDF, DWG, and DXF. We can also work from physical samples if digital drawings are not available.

What is the minimum order quantity for custom automotive components?

We support both low-volume prototyping and high-volume production. There is no strict minimum order quantity, and we provide pricing based on your specific project requirements.

What materials can you machine for automotive applications?

We machine a variety of metals and plastics including aluminum alloys, carbon steel, stainless steel, brass, titanium, ABS, polypropylene, and polycarbonate. We also work with reinforced plastics for demanding applications.

To get started with your custom automotive component project, submit your 2D drawings, 3D models, or samples to our engineering team for a detailed quotation. We will review your requirements and provide a response within 24-48 business hours.

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All the product pictures on our website just show our machining capability and range. We offer machining services according to the customer's drawings or samples.
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How to Customize Parts?

Provide your 2D drawings/3D models or send us your parts samples
Drawing format: STEP, STP, CAD, PDF, DWG, DXF, etc., or samples
Tolerance: ±0.001mm
Surface Roughness:Ra0.2 - Ra3.2 (Customizable)  
Or other requirements
 
 

Materials Available

Aluminum, Copper, Brass, Stainless Steel, Titanium, Iron, Plastic, Acrylic, PE, PVC, ABS, POM, PTFE etc.

Surface Treatment

Polishing, Surface Chamfering, Hardening and Tempering, Nickel plating, Chrome plating, Zinc plating, Laser engraving, Sandblasting, Passivating, Clear Anodized, Color Anodized, Sandblast Anodized, Brushing, etc.
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Processing

CNC Turning, CNC Milling, CNC 5-axis machining, Welding, Bending, Stamping, Die Casting, Injection Molding, etc.
Shenzhen Zhongyi Precision Technology Co., Ltd. is committed to providing reliable and high-quality machining services and customized solutions for clients worldwide. Whether you need concept models, prototype parts, or small-batch production assemblies, we can help. We work directly from your 3D models to produce parts quickly and efficiently. We can handle a wide range of materials, including plastics and metals, to meet different project needs with accuracy and flexibility.
We are a high-precision, high-efficiency custom processing service vendor, focusing on providing high-quality customized parts processing solutions.

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Phone: +86-19129932526
Tel: +86-13480679400
WhatsApp: +8619129932526
Address: No. 7, Tianyang 6th Road, Dongfang Community, Songgang Street, Bao'an District, Shenzhen, Guangdong, China(518100)
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