Professional Mold Manufacturing

Custom Injection
Mold Solutions

Precision engineered molds with advanced technology and 20 years of core manufacturing experience. Your trusted partner for quality plastic injection molding.

High Precision

Tolerance control within ±0.01mm

Quality Assured

ISO 9001:2015 Certified

Fast Delivery

4-6 weeks lead time

Full Support

DFM & Engineering Services

Technical Specifications
P20 Steel
±0.01mm

Industry-Specific Solutions

With 20+ years of precision mold making experience, we provide customized solutions across different industries with professional engineering support.

Smart Innovation

IoT & Smart Devices
±0.02mm
Precision Control
24h
Support

Specialized in high-precision mold manufacturing for smart devices, ensuring excellent fit and finish for your innovative products.

Rapid Prototyping
DFM Support
Quality Assurance
Smart products

What we offer

Professional smart device mold manufacturing and plastic parts customization, helping bring your innovative ideas to life.

Why choose us

20+ years of precision mold making experience with advanced equipment and professional engineering support.

Material Expertise Showcase

200+ material grades ensuring your custom parts meet demanding specifications

Engineering Plastics

High-performance materials

Commodity Plastics

Versatile everyday materials

Elastomers

Flexible dynamic materials

Compliance Focus

FDA
RoHS
REACH
UL

Custom Manufacturing Process

Professional & Efficient Manufacturing Journey

Design Review Process
01

Design Review & DFM

Expert DFM analysis within 24 hours. Optimize your design for manufacturing efficiency and cost reduction.

Free DFM 24h Response
Mold Design Process
02

Mold Design

Professional mold design with 3D simulation and optimization for perfect production results.

3D Design Simulation
Prototyping Process
03

Prototyping

Rapid prototyping services with CNC machining and 3D printing for quick validation.

CNC 3D Print
Tooling Process
04

Tooling

High-precision mold manufacturing with regular progress updates and quality checks.

Precision Updates
Trial Production
05

Trial Production

Sample validation and quality inspection before mass production begins.

Testing QC
Mass Production
06

Mass Production

Efficient mass production with strict quality control and on-time delivery.

Quality Delivery

Trusted by Industry Leaders Worldwide

From innovative startups to established manufacturers, our partners trust us to deliver excellence

"TENGJIN's proactive DFM support was a game-changer for us. Their speed and expertise helped us launch our product a full quarter ahead of schedule. They are a true engineering partner."
JD
Jane D.
Founder, Smart Device Startup
🇺🇸 USA
"For years, TENGJIN has been our most reliable supplier. The quality consistency is exceptional, batch after batch. They truly understand the high standards of the German market."
MS
Mark S.
Procurement Director, Home Goods Brand
🇩🇪 Germany
"The precision of the components we received for our automation line was outstanding. Their team has the technical depth to handle challenging engineering-grade materials and complex geometries."
SL
Sarah L.
Senior Engineer, Industrial Manufacturer
🇺🇸 USA
200+ Global Partners
12 Countries Served
20 Years Experience

Success in Action: Featured Case Studies

We don't just make parts; we build partnerships. See how we've helped global leaders overcome their toughest manufacturing challenges.

Rapid Prototyping & Precision Molding

IoT Precision
Smart Device Case Study
25%
Faster Development
99.8%
First-pass Rate
Client: US-based Smart Home Startup
Challenge: ±0.05mm tolerance requirements with rapid time-to-market
Solution: 15-day T1 samples with proactive DFM analysis

High-Volume Production Excellence

Kitchenware Food-grade
Consumer Goods Case Study
100%
EU Compliance
500k+
Units Produced
Client: German Kitchenware Brand
Challenge: LFGB & REACH compliant high-volume production
Solution: 16-cavity mold with certified materials

High-Performance Industrial Parts

Robotics PEEK
Industrial Case Study
±0.02mm
Tolerance
10yr+
Lifespan
Client: US Industrial Robotics Manufacturer
Challenge: Zero-failure PEEK components requirement
Solution: Advanced simulation & CMM inspection

Quality & Precision Foundation

20 years of manufacturing excellence with unwavering quality standards

Quality Control Process

Advanced Quality Control

State-of-the-art facilities ensuring precision

±0.01mm

Precision Tolerance

99.8%

Quality Pass Rate

Quality Control Process

01

Material Inspection

Premium-grade materials with strict testing protocols

02

Process Control

Real-time monitoring and quality tracking systems

03

Final Verification

Multi-point inspection and dimensional verification

Certified Standards
ISO 9001 IATF 16949 RoHS

We're Not Just a Supplier, We're Your Engineering Partner

Beyond manufacturing excellence, we bring 20 years of engineering expertise to collaborate with you from concept to completion.

200+
Engineering Projects
98%
Client Satisfaction
20
Years Experience
12
Countries Served

Ready to Turn Your Design into a Tangible Success?

Whether you have a detailed CAD file or are still refining your concept, our team is ready to help. Choose the path that best suits your current needs.

Get a Free DFM & Project Review

This is more than a quote. Upload your design, and our senior engineers will provide a complimentary review within 48 hours. We'll help you:

  • Identify potential manufacturing risks
  • Suggest optimizations for material, cost, and function
  • Confirm the feasibility of your most critical tolerances
  • Provide a preliminary project roadmap

Who is this for: Ideal for R&D teams, engineers, and product innovators looking for an expert technical partner.

Request a Formal Quote

Have your specifications ready? Upload your 2D/3D files, and our team will deliver a detailed and transparent quote, typically within 24 hours. Your quote will include:

  • Mold Cost (with mold steel details)
  • Unit Price (with volume tiers)
  • Material Options & Lead Times
  • Clear Payment & Shipping Terms

Who is this for: Perfect for procurement managers and buyers who need a fast, comprehensive, and competitive quotation for a defined project.

Just have a quick question? Or not ready to submit a project?
Email our engineering team directly at [email protected]