Rapid CNC Machining & 3D Prototyping Services
Turn Your Ideas Into Reality Within Days, Not Weeks
From concept validation to bridge production, our advanced prototyping services help product developers and engineers accelerate their development cycle with precision-crafted parts that match production-grade quality.
Average Turnaround
5-7 Days
Precision Tolerance
±0.05mm
Multi-Technology Approach
Our hybrid prototyping center combines multiple technologies to deliver optimal results for any requirement.
CNC Machining
High-precision machining with tolerances down to ±0.025mm for metal and plastic components.
3D Printing
Advanced SLA, SLS, and FDM technologies for complex geometries with production-grade materials.
Vacuum Casting
Silicone mold technology for small batch production of parts with production-like material properties.
DFM Support
Engineering expertise to optimize your designs for manufacturability, reducing time to market and costs.
Speed Without Sacrificing Quality
Rapid prototyping solutions that deliver production-grade results exactly when you need them.
Critical Deadlines
Facing critical deadlines for investor demos or market testing?
Functional Prototypes
Need functional prototypes that accurately represent production parts?
IP Protection
Concerned about intellectual property protection during prototyping?
Our Prototyping Approach
TENGJIN's rapid prototyping center combines CNC precision with additive manufacturing versatility to deliver the perfect solution for your timeline and requirements.
Our engineering team provides quick DFM feedback on your designs, our secure digital workflow protects your intellectual property, and our 24/7 production capabilities ensure the fastest possible turnaround without compromising quality.
Accelerated Timeline
From CAD to functional prototype in as little as 3 days, with expedited services available for critical deadlines.
Production-Grade Quality
Our prototypes match production specifications in material properties, surface finish, and dimensional accuracy.
IP Security Protocol
Our secure digital workflow and strict NDA enforcement ensure your innovations remain protected throughout the prototyping process.
Our Comprehensive Prototyping Capabilities
From concept to production, our advanced prototyping technologies deliver precision parts tailored to your specific requirements.
Prototyping Technology Comparison
| Technology | Best For | Materials | Precision | Surface Quality | Lead Time | Cost Efficiency |
|---|---|---|---|---|---|---|
|
|
Functional prototypes, low-volume production, high-precision requirements | Wide range of plastics and metals | ±0.025mm | Excellent | 3-5 days |
Medium
Higher for batches
|
|
|
Visual models, fit checking, complex geometries | Various photopolymer resins with different properties | ±0.05mm | Good | 1-3 days |
High
For single parts
|
|
|
Functional prototypes, complex structures, snap-fits | Nylon-based materials (PA12, PA11) | ±0.1mm | Fair | 2-4 days |
High
For multiple small parts
|
|
|
Small batch production, production-like materials | Various durometers and properties similar to production plastics | ±0.075mm | Very Good | 5-10 days |
High
For 5-50 identical parts
|
* Specifications may vary based on part geometry, material, and finishing requirements
CNC Machining Capabilities
Equipment
Materials
Engineering Plastics
- ABS
- PC
- PMMA (Acrylic)
- POM (Delrin)
- PEEK, Nylon
Metals
- Aluminum
- Brass
- Copper
- Stainless steel
- Carbon steel
Special Materials
We can process specialty materials based on your specific requirements. Contact our team for material recommendations.
Surface Finishing
Typical Applications
Functional Prototypes
High-precision parts for performance testing and validation
Fixtures & Jigs
Custom tooling solutions for production processes
Low-Volume Production
Economical bridge production while tooling is in development
Custom Components
Specialized parts for unique equipment and applications
3D Printing Services
SLA (Stereolithography) Technology
-
Ultra-fine detail capability down to 0.05mm features
-
Smooth surface finish requiring minimal post-processing
-
Transparent parts capability with optical clarity
-
Various material properties from rigid to flexible
SLS (Selective Laser Sintering) Technology
-
No support structures required, maximizing design freedom
-
Strong, functional parts suitable for mechanical testing
-
Complex geometries and internal features possible
-
Good mechanical properties with isotropic strength
Material Options
Standard & Engineering Resins
- Standard, engineering and high-temperature resins
- Flexible and rubber-like materials
- Biocompatible resins for medical applications
Nylon & Advanced Polymers
- Nylon PA12 & PA11 for functional parts
- Glass-filled and carbon-fiber reinforced nylon
- TPU elastomers for flexible components
Post-Processing Services
Design for Manufacturing
Design Review & Optimization
Early design stage consultation to optimize parts for manufacturability
Material selection guidance based on functional requirements and cost constraints
Design modifications to improve part strength, reduce material usage, and enhance longevity
Moldflow Analysis
Advanced filling and cooling simulations to predict and resolve potential molding issues
Gate location optimization for optimal material flow and minimal defects
Warpage and shrinkage analysis to ensure dimensional accuracy of final parts
Engineering Support
Quality Control & Inspection
In-process Inspection
Our production processes follow strict quality control protocols with regular inspection points to ensure consistent quality throughout manufacturing.
Advanced Metrology
We utilize high-precision measuring equipment including CMMs, optical comparators, and 3D scanners to verify dimensional accuracy to tight tolerances.
Quality Documentation
Comprehensive quality reports with first article inspection (FAI) documentation are provided to ensure your parts meet all specifications and requirements.
Our Quality Commitment
At TENGJIN MFG, we follow rigorous manufacturing practices in alignment with ISO 9001:2015 standards. Our robust quality management system ensures consistent delivery of high-quality products that meet or exceed client expectations. While we continuously adhere to international quality standards, we focus on delivering excellence through our proven quality processes rather than relying solely on certifications.
Ready to Start Your Project?
Our team is ready to evaluate your requirements and provide a detailed production plan.
Our Streamlined Prototyping Process
From concept to delivery, our transparent workflow ensures quality results and timely delivery for every prototype project
Design Review & Quote
24-hour technical feedback and pricing
Material & Process Selection
Expert recommendations for optimal results
Production Preparation
Programming, toolpath generation, and setup
Prototype Manufacturing
Precision machining or 3D printing
Quality Inspection
Dimensional verification and visual inspection
Surface Treatment & Finishing
Custom finishing as specified
Express Delivery
Global shipping options with tracking
Material Expertise Showcase
200+ material grades ensuring your custom parts meet demanding specifications
Engineering Plastics
Commodity Plastics
Elastomers
Compliance Focus
Complete Your Manufacturing Journey
Explore our comprehensive manufacturing services to support your project from concept to completion.
Need a comprehensive manufacturing solution? Our team can help you navigate the entire process.
Contact Our ExpertsAccelerate Your Product Development
Our precision CNC machining and rapid prototyping services transform your designs into functional prototypes in days, not weeks. Get expert support for your development journey.
Rapid Turnaround Times
Get functional prototypes in as little as 3-5 business days. Our dedicated CNC machining center operates around the clock to meet your urgent development deadlines.
Advanced Material Options
Choose from a wide range of engineering-grade materials including aluminum, stainless steel, ABS, PC, nylon, and more. We'll help select the best material for your prototype requirements.
Multi-Technology Solutions
Our integrated approach combines CNC machining, 3D printing, and vacuum casting to deliver the optimal prototyping solution for your specific application and timeline.