Engineering Precision into Every Component
Custom injection molds & plastic parts manufacturing
Two decades of manufacturing excellence delivering quality that meets global standards
TENGJIN offers a comprehensive range of manufacturing services to support your product development journey. Whether you're in the earliest prototyping stages or ready for mass production, our integrated solutions ensure quality, consistency and efficiency at every step.
Our Services
TENGJIN offers a comprehensive range of manufacturing services to support your product development journey. Whether you're in the earliest prototyping stages or ready for mass production, our integrated solutions ensure quality, consistency and efficiency at every step.
Injection Mold Design & Manufacturing
High-precision, durable molds engineered for your specific production requirements
Plastic Injection Molding
Consistent, high-quality plastic parts from prototype to mass production
Silicone Rubber Molded
Custom silicone components with superior elasticity, durability and precision
CNC Machining & 3D Prototyping
Rapid prototyping and precision machining to validate designs and create functional parts
Secondary Operations & Assembly
Complete your product with expert finishing, decoration and assembly
DFM & Engineering Support
Optimize your design for manufacturability, quality and cost-efficiency
How We Bring Your Ideas to Life
Our proven 6-step manufacturing process ensures your project moves efficiently from concept to completion with precision and quality at every stage.
01. Design Consultation
DFM optimization to ensure manufacturability
02. Prototyping
Rapid prototyping for concept validation
03. Tooling
Precision mold design and manufacturing
04. Production
High-volume injection molding with quality control
05. Assembly & Finishing
Secondary operations and quality inspection
06. Delivery
Secure packaging and reliable global shipping
Design Consultation
Our engineering team reviews your designs and offers DFM recommendations to optimize manufacturability and reduce costs.
Prototyping
Rapid prototyping through 3D printing or CNC machining to validate design concepts before full production.
Tooling
Precision mold design and manufacturing with state-of-the-art equipment for high accuracy and durability.
Production
High-volume injection molding with comprehensive quality control measures at every stage.
Assembly & Finishing
Secondary operations including assembly, surface finishing, and final quality inspection.
Delivery
Secure packaging and reliable global shipping with full tracking and logistics support.
Industries We Serve
With 20 years of core experience in mold manufacturing, TENGJIN MFG serves diverse industries across global markets, delivering precision-engineered solutions tailored to each sector's unique requirements.
Smart Hardware & Electronics
Precision molding for IoT devices, smart sensors, control units, and electronic housings. We deliver high-accuracy components that meet the demanding requirements of modern smart technology.
Why Partner With TENGJIN MFG
With 20+ years of manufacturing expertise, we deliver exceptional custom solutions through our unique combination of Chinese manufacturing efficiency and international quality standards.
Precision Engineering
State-of-the-art equipment and rigorous quality control processes ensuring ±0.01mm tolerance for critical components.
- High-precision CNC machining
- Advanced 3D measurement
- Comprehensive quality testing
Quality Assurance
Our processes adhere to ISO 9001:2015 standards, ensuring consistent quality across all production runs.
- International standards compliance
- Multi-stage inspection process
- Material testing certifications
Rapid Development
Accelerated time-to-market with our streamlined prototyping and production processes for quick iterations.
- 72-hour prototype turnaround
- Expedited tooling development
- Parallel processing workflows
Total Solution Provider
End-to-end manufacturing services from concept design to final production, reducing complexity in your supply chain.
- Design for Manufacturing support
- One-stop manufacturing hub
- Simplified project management
"TENGJIN MFG has consistently delivered exceptional quality plastic components for our smart home devices. Their engineering support during the design phase saved us weeks of development time and significantly reduced production costs."
Jane S.
Product Director, Smart Home Tech
Our Manufacturing Impact
Years Experience
Satisfied Clients
Projects Completed
On-time Delivery
Ready to Bring Your Vision to Life?
Ready to discuss your project? Contact our engineering team today and discover how TENGJIN MFG can transform your ideas into precision-manufactured reality.
Why Partner With TENGJIN MFG
With 20+ years of expertise in precision manufacturing, we deliver custom solutions tailored to your exact specifications.
Free DFM Support
Expert design optimization
Prototype to Production
End-to-end manufacturing
Low to High Volume
Scalable production solutions