One-stop PCB Assembly Solutions

Leading PCB assembly manufacturer offering turnkey solutions, PCB fabrication, prototype boards & conformal coating PCB protection. Expert PCB manufacturing from design to delivery.
about company

Precision in Every Connection, Partnership in Every Project.

Shenzhen Tengxinjie Electronics Co., Ltd., founded in 2015, is a professional PCB assembly manufacturer providing one-stop PCB assembly solutions. We specialize in PCB manufacturing, fabrication, and assembly—from PCB prototype boards to full turnkey PCB assembly services. Our advanced capabilities include conformal coating and precision assembly for diverse industries. Committed to quality and reliability, we partner with global clients to deliver efficient, customized solutions that power innovation and ensure performance in every circuit we build.

Why Choose Us

Why Choose Us

  • Experienced PCBA Manufacturer – Years of hands‑on SMT and THT assembly experience
  • Strict Quality Control – AOI, X‑ray inspection, and functional testing
  • Flexible Order Quantities – Prototype, small batch, and mass production
  • Fast Turnaround – Optimized processes to meet tight delivery schedules
  • Global Service – Supporting customers in Europe, Middle East, and worldwide
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From PCB Fabrication to Final Assembly

pcb manufacturing

PCB Manufacturing

From single-sided to multilayer boards, we provide a full range of PCB design and manufacturing services. We ensure stable and reliable circuit boards to meet customer needs across different industries.

pcb-assembly

PCB Assembly Services

We provide complete assembly services, from component procurement to final product assembly, ensuring stable product performance and high-quality standards.

Conformal Coating PCBA

Conformal Coating

We support a wide variety of coating materials to meet your specific application requirements, including, HumiSeal® Series, MG Chemicals & Electrolube.

testing-&-inspection

Testing & Inspection

We conduct professional functional testing for each product to ensure all components are operating correctly, enhancing the product’s reliability and safety.

WHy Choose us

Industry Expertise

With over 10 years of experience in electronics manufacturing, our team delivers cutting-edge solutions tailored to your needs. We combine deep domain knowledge with innovative approaches to solve complex challenges.

Client-Centric Approach

Your success is our priority. We listen carefully to your goals and customize strategies to ensure measurable results. 95% of clients return for long-term partnerships.

Tailored Solutions

We craft bespoke systems that align perfectly with your unique workflows and goals.

Transparent & Cost-Effective

No hidden fees, no surprises. We offer competitive pricing with clear milestones, ensuring you get maximum ROI without compromising quality.

FAQ

We require the complete PCB files (Gerber, other PCB files,etc.), Centroid (Pick & Place PNP file, XY data, or other formats), BOM, and all other necessary documents, images, or photos are complete for the assembly process work.

We hope you can mark on any individual package or box with the corresponding line number on BOM, manufacturer’s part# or customer’s part#, quantities. A detailed packing list is preferred to enable us to count and check upon receipt of your parts.

Yes. This practice is called partial Turn-key. You can supply some parts, and we source the rest of the parts on your behalf. We will ask for your approval for anything that is not sure at our side. In case parts crossing or substitution is needed, we will again ask for your final approval.

We offer functional testing, electrical testing, visual inspection, Automatic Optical Inspection (AOI), and other testing services to ensure product quality.

Yes, we offer comprehensive visual inspection services to ensure the accuracy of component placement and soldering, and that it meets your requirements.

Excess parts may be present due to our practice of requesting a percentage of overage for consigned or kitted orders, or purchasing extra for turnkey orders. For any unused parts, you can choose to have them shipped back with your PCBA or stored in our warehouse for future orders. The decision is yours.

You can submit your order by sending the necessary files (such as BOM, Gerber, Centroid files, etc.) to our designated email address.

We strictly adhere to IPC-A-610 and ISO 9001 quality management systems, and use a combination of automated testing and manual inspection to ensure every assembled board meets the required standards.

1)Please provide feedback and describe any defects either online or via email.
2)We would appreciate it if you could return some of the defective PCBs for further analysis.
3)Based on your feedback, we will ask the relevant departments to form research teams and hold meetings to analyze, discuss, and propose appropriate solutions.

For Turn-key orders, the lead time mainly depends on the speed at which we can source all the necessary components. We will keep you updated through daily email communication. While waiting for all parts to arrive, we will proceed with fabricating the PCBs and preparing the stencil, so assembly can begin as soon as the components are available.

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Surface Mount Technology
SMT (Surface Mount Technology) Assembly
Through-Hole Assembly
THT / Through-Hole (DIP) Assembly
Mixed Technology Assembly
Mixed Technology Assembly

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