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Automotive Parts

Professional manufacturer of custom automotive plastic parts and automotive injection molds.

✓ Precision tolerance up to ±0.05mm
✓ In-house Production Capability: mold development & injection molding
✓ Certifications: IATF16949, ISO9001, ISO 14001

Automotive Plastic Component Manufacturing

Key Industry Challenges

◆ Strict GD&T dimensional tolerances and stable consistency over millions of production cycles
◆ Special material requirements: low-VOC interior grade, flame-retardant and UV-resistant engineering plastics
◆ Mandatory complete PPAP submission including formal ISIR dimensional reports for OEM and Tier 1 supplier audits
◆ High risk of warpage, sink marks and assembly mismatch caused by improper mold design
◆ Tight schedules for prototype validation and new vehicle model iteration

Why Choose Runde

★ Precision mold design & stable process control to maintain tight tolerances during long-run mass production
★ Proven experience processing automotive-certified interior, exterior and flame-retardant engineering plastics
★ Complete quality control system to deliver full PPAP packages with standard ISIR initial sample inspection reports
★ Early DFM analysis to predict and eliminate common defects including warpage and uneven shrinkage
★ Fast prototype mold and sampling service to match your automotive project timeline

Automotive Plastic Parts We Produce

Interior Trims

• Dashboard & center console parts
• Door panels & pillar trims
• Air vent housings & louvers
• Interior handles & switch panels

Exterior Parts

• Side mirror housings
• Wheel arch liners & splash guards
• Lamp bezels & light plastic components
• Body side trims & decorative covers

NEV & Automotive Electronics

• Sensor, radar & ECU housings
• ADAS camera brackets
• Battery module support brackets
• Charging port & HV connector housings

Precision Structural Parts

• Multi-functional mounting brackets
• HVAC housings & air ducts
• Under-hood protective covers
• Small precision plastic assemblies

Our Automotive Parts Cases

A selection of custom automotive plastic component and injection mold projects delivered for global OEM and Tier 1 automotive customers.

Overhead Console Lamp Housing

● Process: Injection molding
● Post-process: Spraying, Laser engraving
● Industry: Automotive Interior
● Material: ASA+PC blend, PC, PA66
● Tolerance: ±0.05mm

Electronic Gear‑Shift Knob Assembly

● Process: Two-shot injection molding
● Post-process: Spraying, Laser engraving, UV coating
● Industry: Automotive Interior
● Material: PC, PC+ABS, TPE, PP
● Tolerance: ±0.05mm

Steering wheel Switch Bezel Assembly

● Process: Injection molding
● Post-process: Spraying, Laser engraving
● Industry: Consumer Electronics
● Material: PC+ABS blend, PC, ABS
● Tolerance: ±0.05mm

Steering‑Wheel Multifunction Switch

● Process: Injection molding
● Post-process: Spraying, Laser engraving
● Industry: Automotive Interior
● Material: PC, ABS
● Tolerance: ±0.05mm

Combination Steering Column Switch

● Process: Injection molding
● Post-process: Pad printing
● Industry: Automotive Interior
● Material: PA66-GF30, ABS
● Tolerance: ±0.05mm

Automotive Sensor Housing

● Process: Two-shot injection molding
● Post-process: Spraying, Laser engraving, UV coating
● Industry: Automotive Interior
● Material: PC, PMMA
● Tolerance: ±0.05mm

View more Case Studies →

Automotive-Specific Competencies

Our manufacturing equipment serves multiple industries. We have established dedicated process control and document standards to meet strict automotive OEM and Tier 1 requirements.

Automotive Standard Workflow

Operations executed following IATF16949 specifications, with full material and production batch traceability.

Complete Engineering Documentation

Ready to deliver PPAP, ISIR, PFMEA and control plans required by global automotive clients.

Qualified Automotive Materials

Sourcing & processing of low-VOC, ELV & RoHS-compliant polymers for interior and exterior vehicle components.

GD&T Precision Management

Systematic GD&T implementation and closed-loop dimensional inspection for tight-tolerance assembly parts.

View Our Manufacturing & Inspection Facilities

Our Cooperation Workflow

Standardized project procedure tailored for automotive plastic mold & injection molding projects.

Technical DFM Review

Review drawings, GD&T, material requirements & manufacturability.

Quotation & Confirmation

Formal quotation, project schedule confirmation & order placement.

Mold Design & Build

3D mold design, CNC, EDM & precision mold machining.

Trials & Sample Check

T0/T1/T2 mold trials, dimension inspection & sample validation.

PPAP Approval

Submit PPAP documents to obtain customer pre-production approval.

Mass Production

Continuous injection molding with stable quality control.

Delivery & Support

Packing, shipment and long-term after-sales technical service.