Services
One-Stop Manufacturing Services
From mold development to finishing, Changyang provides complete plastic molding and film manufacturing solutions
R&D Innovation
Changyang Materials continuously invests in R&D, developing new technologies and material applications to deliver innovative solutions for our clients



Mold Development
With over 30 years of mold design and manufacturing experience, we have introduced modern processing equipment to provide one-stop service from design to mass production.
- Professional mold design team
- Precision CNC machining equipment
- Mold tryout and modification
- Fast lead time service

Mold Manufacturing Process
CAD Mold Design
Professional engineering team uses advanced CAD software for mold design, working closely with clients to ensure designs meet product requirements
Mold Flow Simulation
Mold flow analysis to optimize gate position and fill sequence, preventing product defects
CAM Programming
Precision CNC machining programming ensuring mold accuracy and efficiency
CNC Machining
Advanced CNC equipment handling complex geometries and precision dimension requirements
Automation & Digitalization
Lean manufacturing systems tracking production data and ensuring quality standards

Digital Engineering
We use advanced mold flow analysis software to perform CAE computer-aided engineering simulations before actual mold cutting, optimizing gate position and fill sequence — significantly improving product quality and shortening development time.
- Mold flow simulation analysis
- Gate position optimization
- Fill sequence validation
- Defect prevention

Standard CNC Machining
Standard CNC machining is the core process of mold manufacturing, using computer numerical control machine tools for precision cutting to ensure mold dimensional accuracy and surface quality.
- Precision dimensional control
- Multiple tool support
- Automated machining
- High-efficiency mass production

Plastic Injection Molding
Multiple injection molding machines supporting production from small precision parts to large structural components, with multiple plastic material options.
- Multi-tonnage injection machines
- Multiple plastic material support
- Precision dimensional control
- High-volume production
Injection Molding Process
Material Selection
Professional material consultants help select the most suitable plastic raw materials, ensuring product performance
Injection Molding
Multi-tonnage injection molding machines supporting production from small precision parts to large structural components
Quality Inspection
Strict quality control ensuring every product meets specifications
Finishing
Comprehensive painting, printing, coating and other surface treatment processes

TPU Film
Multiple injection molding machines supporting production from small precision parts to large structural components, with multiple plastic material options.
- TPU film extrusion
- Custom color matching
- Film color modification
- Multiple thickness specifications

Surface Finishing
We use advanced mold flow analysis software to perform CAE computer-aided engineering simulations before actual mold cutting, optimizing gate position and fill sequence — significantly improving product quality and shortening development time.
- Painting and digital direct printing
- Cold transfer / screen printing / pad printing
- Special surface effect design
- Laser engraving and cold-light etching