Professional Automotive Mold & Plastic Parts Manufacturing in China
CNMOULDING is a professional automotive mold manufacturer in China, specializing in precision automotive injection molds, plastic auto parts production, rapid tooling, and low-volume automotive manufacturing.
Based in Shanghai, we provide complete automotive tooling and injection molding solutions for global OEMs, Tier 1 suppliers, automotive electronics manufacturers, and industrial equipment companies.
With advanced mold manufacturing equipment, experienced automotive engineers, and strict quality control systems, we help customers shorten development cycles while ensuring stable production quality.

China Automotive Injection Mold Manufacturer
Our automotive mold solutions are widely used in:
- Interior automotive components
- Exterior trim parts
- Automotive sensor housings
- Lighting systems
- Battery and EV components
- Functional structural plastic parts
- Automotive electronic enclosures
Why Choose CNMOULDING as Your China Auto Mold Company
1. Automotive Mold Engineering Expertise
Automotive molds require extremely high precision, durability, and production stability.
Our engineering team provides:
- DFM analysis
- Mold flow analysis
- Cooling optimization
- Gate design optimization
- Shrinkage compensation
- Tolerance engineering
We help customers reduce:
- Warpage
- Sink marks
- Flash defects
- Short shots
- Mold maintenance costs
Our experience covers both conventional automotive programs and new energy vehicle (NEV) projects.
2. High-Precision Automotive Mold Manufacturing
We manufacture:
- Single-cavity molds
- Multi-cavity molds
- Hot runner molds
- Insert molds
- Overmolding tools
- Two-shot molds
- Thin-wall automotive molds
Our in-house equipment includes:
- High-speed CNC machining centers
- EDM machines
- Wire cutting systems
- CMM inspection equipment
- Mold testing machines
Tolerance capability:
±0.01–0.02 mm depending on part geometry.
3. Automotive Injection Molding Services
Beyond mold manufacturing, CNMOULDING also provides automotive plastic injection molding services.
We support:
- Prototype molding
- Pilot production
- Low-volume production
- Mass production
Materials include:
- PP
- ABS
- PA66
- PC/ABS
- PBT
- PPS
- TPU
- TPE
- Glass-filled engineering plastics
Applications include:
- Dashboard components
- Automotive clips and fasteners
- Sensor covers
- Connectors
- EV battery housings
- Interior trim assemblies
Automotive Industry Applications
Automotive Interior Components
We manufacture molds and plastic parts for:
- Dashboard panels
- Air vent systems
- Door trim components
- Console parts
- Functional interior assemblies
Automotive Exterior Parts
Including:
- Mirror housings
- Grille components
- Exterior covers
- Decorative trim parts
- Functional plastic structures
Automotive Electronics
Precision plastic molding solutions for:
- Sensor housings
- ECU covers
- Connector systems
- EV electronic components
- Smart automotive modules
New Energy Vehicle (EV) Components
We support EV projects involving:
- Battery plastic housings
- Charging system components
- Lightweight structural parts
- Thermal management components
The growing automotive lightweight trend continues driving demand for high-performance plastic automotive parts.
Automotive Mold Manufacturing Process
Step 1 – Product Design Review
Our engineers evaluate:
- Part geometry
- Moldability
- Draft angles
- Wall thickness
- Material selection
Step 2 – Mold Design
We use professional CAD/CAM systems for:
- Mold structure design
- Cooling system layout
- Slider design
- Hot runner optimization
Step 3 – Mold Manufacturing
Precision machining processes include:
- CNC milling
- EDM machining
- Wire cutting
- Grinding
- Mold assembly
Step 4 – Mold Trial & Sample Validation
We conduct T1/T2 mold testing to verify:
- Dimensional accuracy
- Surface finish
- Assembly compatibility
- Functional performance
Step 5 – Mass Production
After approval, molds enter stable production with strict quality monitoring.
Automotive Mold Materials
We use high-quality mold steels including:
- P20
- H13
- NAK80
- S136
- 718H
- SKD61
Steel selection depends on:
- Production volume
- Surface finish requirements
- Resin type
- Mold lifespan expectations
Quality Control
Automotive projects require stable quality systems.
Our quality control process includes:
- Incoming material inspection
- In-process inspection
- CMM dimensional testing
- Mold trial validation
- Final part inspection
We follow ISO-based manufacturing procedures to ensure consistent quality.
Advantages of Automotive Plastic Injection Molding
Compared with metal parts, automotive plastic parts offer:
- Lower weight
- Better fuel efficiency
- Reduced manufacturing cost
- Improved design flexibility
- Better corrosion resistance
- Easier mass production
The automotive industry continues increasing plastic usage to support lightweight vehicle development.
Why Global Buyers Source Auto Molds from China
China has become a major automotive tooling hub because of:
- Competitive manufacturing cost
- Mature automotive supply chain
- Strong engineering capability
- Fast tooling lead times
- Flexible production capacity
CNMOULDING combines these advantages with responsive technical communication and international project management.
FAQ(非常重要,建议保留)
What is an automotive injection mold?
An automotive injection mold is a precision tool used to manufacture plastic automotive parts through injection molding processes.
How long does automotive mold manufacturing take?
Typical automotive mold lead times range from 15–45 days depending on complexity.
What automotive materials do you support?
We support PP, ABS, PA66, PC/ABS, PBT, PPS, TPU, TPE, and reinforced engineering plastics.
Can you support low-volume automotive production?
Yes. We support prototyping, bridge tooling, low-volume production, and mass manufacturing.
Do you provide DFM support?
Yes. Our engineering team provides complete DFM and manufacturability analysis before mold production begins.
Start Your Automotive Mold Project Today
Looking for a reliable China auto mold company?
CNMOULDING provides:
- Precision automotive mold manufacturing
- Automotive injection molding
- Engineering support
- Rapid tooling
- Competitive pricing
- Worldwide delivery
Contact our engineering team today for a fast quotation.
- 24-Hour Response
- Professional Automotive Engineering
- Fast Lead Times
- Strict Quality Control
- Global Export Experience
Email: webmaster@cnmoulding.com
Phone: +86-21-52913487







