TENGJIN MFG Value-Added Services
Secondary Operations & Assembly Services
Complete Your Manufacturing Process with Value-Added Finishing & Assembly
Transform basic parts into market-ready products with our comprehensive secondary operations and assembly services. From cosmetic finishing to complex multi-component assembly, we deliver fully completed products ready for market.
Quality Control
100% Inspection
Packaging Options
Retail Ready
Our special Services
Our Comprehensive Secondary Operations
Enhancing product performance and aesthetics through specialized processes
Enhance your products with our extensive range of secondary operations and assembly services, delivering complete solutions from a single source.
Surface Treatment & Decoration
Enhance aesthetics and functionality with specialized surface processing
Precision surface treatment enhances both appearance and functionality
Decorative Finishes
- Custom color matching and painting
- Metallic and pearlescent finishes
- Soft-touch and rubberized coatings
- Patterned and textured surfaces
Surface Texturing
- Chemical etching for matte finishes
- Laser texturing for precision patterns
- Sandblasting and bead blasting
- Multi-texture surface combinations
Printing & Labeling
- Pad printing for curved surfaces
- Screen printing for durability
- Hot stamping and foil applications
- In-mold labeling and decoration
Protective Coatings
- UV-resistant finishes
- Anti-scratch hardcoating
- Chemical-resistant barriers
- Anti-static and EMI shielding coatings
Functional Processing
Advanced processing techniques to enhance performance and functionality
Mechanical Processing
- CNC secondary machining
- Precision drilling and tapping
- Thread forming and cutting
- Post-molding trimming
Thermal Processing
- Heat staking and insertion
- Thermal welding
- Ultrasonic welding
- Annealing and stress relief
Surface Treatments
- Chemical polishing
- Plasma treatment
- Corona discharge treatment
- Flame treatment
Our advanced processing techniques ensure optimal part performance
Assembly Services
Comprehensive assembly solutions from simple to complex products
Our skilled technicians ensure precise assembly of complex components
Component Integration
- Multi-component assembly
- Hardware installation
- Electronics integration
- Insert and overmolding
Joining Technologies
- Adhesive bonding
- Ultrasonic welding
- Snap-fit assembly
- Mechanical fastening
Testing & Verification
- Functional testing
- Leak testing
- Electrical continuity testing
- Performance validation
Packaging Solutions
- Custom retail packaging
- Protective transit packaging
- Barcode and RFID integration
- Kitting and fulfillment
Quality Control
Comprehensive testing and quality assurance throughout the production process
Inspection Methods
- Visual inspection with trained personnel
- Dimensional verification using CMM
- X-ray inspection for internal defects
- Thermal imaging for stress analysis
Testing Procedures
- Mechanical strength testing
- Environmental stress testing
- Accelerated aging simulations
- Material composition verification
Quality Standards
- Adherence to ISO 9001:2015 principles
- Implementation of Six Sigma methodologies
- Product-specific regulatory compliance
- Statistical process control (SPC)
Documentation & Traceability
- Detailed quality inspection reports
- Material certification and traceability
- Batch tracking and serialization
- Digital quality records management
Our quality control team uses advanced measurement technologies to ensure precision
Value-Added Services
Additional services that enhance product value and optimize your supply chain
Our engineering team provides comprehensive support from concept to production
Engineering Support
- Design for Manufacturing (DFM) analysis
- Material selection consultation
- 3D CAD modeling and optimization
- Tolerance stack-up analysis
Prototyping Services
- Rapid prototyping with 3D printing
- CNC machined prototypes
- Functional prototype assembly
- Low-volume production runs
Supply Chain Solutions
- Just-in-time (JIT) delivery
- Inventory management
- Global shipping logistics
- Vendor managed inventory (VMI)
Regulatory Compliance
- REACH & RoHS compliance
- FDA material requirements
- UL certification support
- International standards adherence
What Our Clients Say
Hear from companies that have trusted TENGJIN MFG with their manufacturing needs
"TENGJIN MFG's engineering team provided invaluable DFM feedback that significantly improved our product design. Their attention to detail in the injection molding process resulted in parts that exceeded our quality expectations."
JT
Jane Thompson
Product Development Manager, SmartHome Technologies
"We've worked with several manufacturers over the years, but TENGJIN MFG stands out with their commitment to quality and on-time delivery. Their ability to handle both small and large production runs gives us the flexibility we need for our seasonal product lines."
MB
Mark Berger
Operations Director, EuroHome Products GmbH
"The precision and durability of the components TENGJIN MFG produces for our industrial automation systems is exceptional. Their engineering support helped us optimize several critical parts, resulting in better performance and longer service life."
SC
Sarah Chen
Senior Engineer, AutoSys Robotics Inc.
Ready to Start Your Custom Manufacturing Project?
Contact our team today to discuss your specific requirements and discover how TENGJIN MFG can deliver high-quality custom manufacturing solutions for your business.
Our Other Services
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 Experts
SECONDARY ASSEMBLY SERVICES
Complete Your Production with Precision Assembly
We offer comprehensive secondary assembly solutions to streamline your production process and ensure consistent quality across your entire product.
Our Secondary Assembly Capabilities
Hardware Integration
We integrate inserts, fasteners, and hardware components with your molded parts for complete assemblies.
Multi-Component Assembly
We assemble complex products with multiple parts, including electronic components and interconnecting systems.
Quality Testing & Packaging
Every assembled unit undergoes functional testing and is professionally packaged according to your specifications.