The Most Dependable One-Stop PCBA Solution Manufacturer

With 12+ years of expertise in electronics manufacturing, we deliver end-to-end PCBA services — from design to final assembly.

PCB Fabrication

Components Sourcing

PCB Assembly

Electronic Circuit Design

Finished Product Assembly

What Can We Offer

Electronic Design

Our team of professional engineers are highly skilled in electronic design, with extensive expertise in PCB layout, power electronics, embedded systems, and other critical areas.

PCB Fabrication & Assembly

With state-of-the-art SMT and THT production lines, and assemblers with proven capabilities, we offer PCB fabrication and assembly services — from simple to highly complex designs.

Raw Material Procurement & Supply Chain

Leveraging aggregate demand across our key client base, we optimize supply chain processes and procurement channels. Centralized purchasing reduces costs and saves time.

Box Build Assembly

We provide full electrical and mechanical box build assembly services tailored to each customer’s specifications, saving both time and costs.

Cable & Wire Harness Assembly

With proven expertise, we handle all types of cabling and wiring, assembling standard and customized cable harnesses for diverse applications.

Testing and Inspection

Utilizing advanced inspection methods — including functional testing, automatic optical inspection, X-ray imaging, and more — we validate that every product meets or exceeds quality standards.

About Shenzhen Wellsun Technology

Shenzhen Wellsun Technology Co., Ltd. has been a leading provider of electronic manufacturing services (EMS) for 12 years, specializing in delivering comprehensive solutions to global customers.

Our services span the entire manufacturing process, providing a one-stop solution including PCBA design, OEM/ODM services, SMT/DIP processing, burning, testing, aging, custom mold and casing fabrication, assembly, packaging, and warehousing.

Leveraging our proprietary technologies, we have established a comprehensive in-house manufacturing system spanning R&D, design, procurement, and production. This vertical integration enables us to provide rapid quoting, accelerated manufacturing, and swift delivery — fully meeting the custom requirements of each customer.

Our Impact

12+

Years of Global Supply Chain Experience

100%+

Positive Feedback Across 40+ Countries

158x

Max Cost Savings in Procurement

18,000+

Scarce Material Solutions Delivered

Why Choose Us

Professional Global Procurement

We leverage comprehensive industry knowledge and keen market awareness to provide valued guidance around component selection, performance trade-offs, and application engineering. Our expertise spans all major component brands and technologies.

One-Stop PCBA Manufacturing

We offer comprehensive PCBA manufacturing for both mass production and low-volume prototyping. Our EMS factory spans 1,500 square meters, equipped with multiple automated SMT lines, THT lines, and test systems to achieve the highest quality standards.

Powerful R&D Engineering

Our robust R&D team provides embedded software/hardware engineering, server/app development, and turnkey manufacturing services. With deep expertise in MCUs, SoCs, and other core technologies, we bring your ideas to life.

Product Showcase

Explore our range of high-quality PCBA solutions and electronic assemblies.

High-Density PCB Assembly

Advanced multi-layer PCBs with fine pitch components, ideal for compact consumer electronics and IoT devices.

Industrial Control Board

Robust PCBAs designed for harsh environments, used in automation, power systems, and machinery control.

Medical Device PCB

Precision assemblies meeting strict regulatory standards for diagnostic, monitoring, and therapeutic equipment.

Automotive Electronics

Reliable PCBAs for ADAS, infotainment, engine control, and sensor systems in modern vehicles.

Power Supply Module

Efficient AC/DC and DC/DC converters with high thermal stability and low EMI for industrial and telecom use.

Wireless Communication Board

Integrated RF modules supporting Wi-Fi, Bluetooth, LoRa, and 5G for smart devices and gateways.

Custom Embedded Controller

Tailored microcontroller-based systems for OEM applications with custom firmware and I/O interfaces.

Smart Home Hub

Integrated control units for home automation, supporting multiple protocols and cloud connectivity.

Frequently Asked Questions

What types of PCBs can you manufacture?

We handle single-sided, double-sided, multilayer, HDI, rigid, and flexible PCBs, supporting various materials and thicknesses.

Do you support small batch prototyping?

Yes, we offer low-volume and prototype manufacturing with fast turnaround times and full testing support.

How do you ensure component authenticity?

We source exclusively from trusted suppliers and authorized distributors, with full traceability and incoming inspection for every batch.

What certifications do you have?

Our facility complies with ISO 9001 standards and we follow IPC-A-610 Class 2/3 guidelines for assembly quality.

Can you assist with design for manufacturability (DFM)?

Absolutely. Our engineering team provides free DFM analysis and design optimization to improve yield and reduce costs.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to connect with our team.

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