Trung Nam EMS (TNEMS) is a trusted EMS Manufacturing Partner in Vietnam, delivering end-to-end manufacturing services from NPI (New Product Introduction) and prototype builds to pilot runs and mass production.
Specifically, our structured NPI process ensures a smooth transition from early-stage development to stable, high-volume manufacturing. As a professional EMS manufacturer, TNEMS focuses not only on building prototypes but also on creating a scalable and reliable manufacturing foundation.
Strengths in NPI, Prototype & Pilot Production.
Firstly, Fast & Flexible SMT Assembly in Vietnam
- Rapid prototype turnaround with flexible SMT assembly lines in Vietnam
- Efficient SMT programming and quick line changeover
- Close collaboration between engineering, quality, and production teams
Secondly, Reliable PCBA Manufacturing Process
- Full BOM review, DFM/DTC/ DFSS support during NPI
- Controlled PCBA manufacturing in Vietnam, aligned with mass production requirements
- Early risk identification and process validation
Thirdly, High-Quality EMS Vietnam Solutions
- Stable prototype performance with 100% First Pass Yield (FPY)
- Strict quality control from IQC → SMT → Assembly → OQC
- Production-ready processes to scale smoothly into high-volume manufacturing
Therefore, all production processes are fully ready to scale smoothly into high-volume manufacturing while maintaining consistent quality.

Why Choose TNEMS as Your EMS Manufacturing Partner in Vietnam?
By engaging TNEMS at the NPI and prototype stage, customers can:
✔ Reduce technical and manufacturing risks before mass production
✔ Optimize cost and lead time for design or process changes
✔ Accelerate time-to-market with consistent and repeatable quality
Ultimately, this approach enables customers to focus on product innovation while TNEMS ensures manufacturing excellence.
One-Stop EMS Services in Da Nang, Vietnam
In summary, TNEMS provides comprehensive EMS services in Vietnam, including:
- SMT Assembly Vietnam
- PCBA Vietnam
- Box-Build & System Integration
- Prototype, pilot run, and mass production support
Located in Da Nang, Vietnam, TNEMS offers cost-effective manufacturing with strong engineering support for global customers.
📩 Contact TNEMS to learn how our EMS Vietnam and PCBA manufacturing services can support your next project from NPI to mass production.