Precision Injection Molding Services
IATF 16949 | ISO 13485 | ISO 14001
JUCHENG delivers high-speed plastic injection molding services optimized for both high volume injection molding and low volume plastic production. As a premier plastic injection molding manufacturer in China, we leverage 35+ advanced presses to transform your custom plastic parts into reality


Technical Molding Excellence
Our plastic injection molding services support a massive range of injection molding materials, maintaining dimensional repeatability across million-unit mass production runs. We ensure every custom molded plastic component meets your strict tolerances.
√ In-House Mold Design & Engineering
√ Precision Insert & Overmolding
√ Low-to-High Volume OEM Production
The 5-Axis Advantage
25 Sets
Our in-house toolroom is equipped with 25 sets of high-speed 5-Axis CNC machines, ensuring that the precision of our injection molding starts from the steel itself.

Scientific Process Control
Rheology Study
Optimizing fill pressure and viscosity balance for consistent part weight.
Decoupled Molding
Separating fill from pack/hold stages to achieve CPK > 1.67 stability.
Gate Freeze Analysis
Determining the exact point of solidification to eliminate internal stress.
Technical Capacity
15T - 3000T
Clamping Force
2500 mm
Max Part Dimensions
±0.02 mm
Part Repeatability
±0.02 mm
Part Repeatability
±0.02 mm
Part Repeatability
Material Mastery
Processing high-performance resins and reinforced polymers.
PEEK / PEI / PPS
PA66 + 50% Glass Fiber
Medical USP Class VI
PC / ABS / PBT
Flame Retardant (V0)
Surface Engineering
In-Mold Surface Finishes
• SPI A-1 Mirror Polishing
• VDI 3400 (12-45) Texture
• Chemical & Laser Etching
Post-Molding Treatments
• UV Spray Painting
• EMI/RFI Shielding
• Pad Printing & Laser Engraving
Industries We Serve
Automotive
IATF 16949 Tier 1/2 Parts
Medical
ISO 13485 Critical Devices
Industrial
High-Durability Components
Validated Quality
Every critical dimension is verified using automated CMM and optical measurement systems. We provide full FAI and CPK data analysis for all technical projects.
CMM Inspection
IQ/OQ/PQ
Moisture Analysis
FAI Reports
Project Lifecycle
DFM
Design Review
TOOLING
5-Axis Machining
T1 SAMPLE
Validation
MASS PROD
Consistency
DELIVERY
Global Logistics
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