Precision Injection Molding
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Plastic Injection Molding Services

We produce custom plastic parts to your CAD drawings, supporting orders from small trials to full mass production.

  • Stable & Repeatable Quality
  • Rigorous Production Inspection
  • Responsive Technical Communication
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Engineering Capabilities

Runde Precision operates advanced injection molding machines. Our parameters can support the vast majority of custom plastic part production projects.

Specifications
Parameters
Specifications
Parameters
Machine Tonnage
55T – 1000T (40+ Sets)
Production Capacity
>50,000,000 Parts/Year (>4.2M/Month)
Max. Dimensions (L×W×H)
850 × 850 × 500 mm
Standard Tolerance
±0.05mm
Rapid Tooling Lead Time
10 – 15 Days
Quality Standard
ISO 9001 / ISO 14001 / IATF 16949

50 +

50+ Molds Per Month

Automotive Interior Injection Molding Part

±0.005 mm

Mold Tolerance

Process Monitoring

Consistent precision relies on stable injection parameters. We implement full-lot process monitoring covering injection pressure, melt temperature and shot weight for every production run.

Injection Pressure Tracking

Continuous pressure curve recording detects flow fluctuation to avoid short shots, flash and inconsistent filling.

Melt & Barrel Temperature Control

Closed-loop temperature monitoring prevents material degradation and stabilizes shrinkage performance.

Shot Weight Verification

Regular shot weight sampling verifies material dosage stability and identifies process drift at an early stage.

All monitored data can be documented for quality audits, supporting automotive and industrial project traceability requirements.

Injection Molding Materials

Our expertise covers injection molding of standard thermoplastics and advanced engineering resins. We support provision of material certificates, raw material sourcing from your specified suppliers, and issuance of proof of purchase for audit purposes.

ABS
PC
PA6
PE
PBT
POM
PA66
TPU
PP
PEEK
TPE
LCP

Discover more material details, visit Materials Page.

Our General Plastic Injection Molding Case Studies

Explore finished single-material molded components developed for automotive, electronics, industrial equipment and consumer applications. Each project demonstrates our precision molding capability, stable dimensional control and flexible batch support.

The projects below feature single-material molded parts. For multi-material composite components, visit our Two-Shot Molding and Overmolding pages.

Garden Equipment Control Panel Housing

Garden Equipment Control Panel Housing

Process: Injection molding

Post-process: Degating, Pad printing

Industry: Garden Power Equipment

Material: PP-T20

Tolerance: ±0.05mm

Robust outer control cover for handheld garden power tools. Designed to withstand continuous vibration, temperature fluctuation and harsh outdoor working conditions. Critical snap‑fit features guarantee reliable assembly onto main unit in high‑volume mass production.

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Engine Housing Cover

Engine Housing Cover

Process: Injection molding

Post-process: Heat staking

Industry: Outdoor Power Equipment

Material: PA6-GF30

Tolerance: ±0.05mm

Robust housing cover for outdoor power tools. Molded from PA6‑GF30 for high mechanical strength and thermal resistance. Complex grille structure and multiple mounting bosses, assembled by hot riveting to withstand harsh outdoor working conditions.

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Overhead Console Assembly Housing

Overhead Console Assembly Housing

Process: Injection molding

Post-process: Spraying, Laser engraving

Industry: Automation

Material: PC+ABS blend, PC, ABS

Tolerance: ±0.05mm

Automotive Class‑A overhead console for interior lighting and sunroof controls. Multi‑part matched assembly with high‑gloss and textured painted surfaces. Tight dimensional control ensures seamless part gap and premium interior visual quality.

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Gaming Console Exterior Housing

Gaming Console Exterior Housing

Process: Injection molding

Post-process: Spraying

Industry: Consumer Electronics

Material: PC+ABS blend

Tolerance: ±0.05mm

Cosmetic‑critical gaming console side panel with complex curved surfaces, precision cut‑outs and integrated mounting bosses. Mold optimization eliminates weld‑lines and sink marks to meet strict cosmetic requirements for premium consumer electronics.

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Handle Housing Cover

Handle Housing Cover

Process: Injection molding

Post-process: Pad printing

Industry: Outdoor Power Equipment

Material: PA6-GF35

Tolerance: ±0.05mm

Integrated long‑cantilever handle housing for handheld power tools. Designed with ventilation grille cut‑outs and pad‑printed logos. Strict warpage control for long thin‑wall structure, delivers sufficient rigidity to withstand vibration and rough outdoor operation.

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Hazard‑Warning Light Switch Assembly

Hazard‑Warning Light Switch Assembly

Process: Injection molding

Post-process: Spraying, Laser engraving

Industry: Automotive Interior

Material: PC, ABS

Tolerance: ±0.05mm

Automotive hazard warning light switch assembly. Manufactured from PC‑ABS blend for interior applications. Tight gap & travel tolerance delivers consistent click tactile feeling, resisting rattle and sticking under long‑term vehicle operating cycles.

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