China’s Welgao Electronics Launches First Overseas PCB Plant in Thailand

China-based hi-tech manufacturer Welgao Electronics Co., Ltd., a listed company in China’s stock markets, has expanded into Thailand with a large-scale printed circuit board (PCB) production facility, marking its first overseas venture and reinforcing Thailand’s role as a regional hub for advanced electronics.

PCBs — often described as the “nervous system” of electronic devices — are flat boards with copper circuits that connect chips, resistors, capacitors, and other components to ensure electricity flows correctly. 

Welgao’s new Thai subsidiary, WELL TEK Electronics Co., Ltd., received approval from the Thailand Board of Investment (BOI) and began mass production on June 24, 2024. 

Founder and Board Chairman Jennifer Deng said the decision reflects both strategic foresight and customer demand. The company’s customer base spans from power supplies, industrial control systems, communication, automotive, consumer electronics, medical among others.

“Thailand has a bright future with continued state support and an effective supply chain, placing it at the center of the world. Another major reason is that Welgao already has a large customer base here, and our clients are asking for a production base in Thailand,” she explained.

Several factors in selecting Thailand are highlighted:

●    Future potential and stability: Over a decade of political stability, open investment policies, and a well-developed supply chain.
●    Government support: Incentives under the Thailand 4.0 policy, including tax benefits and one-stop investment services.
●    Customer pull: Requests from global clients already operating in Thailand.
●    Industry backing: Guidance and support from the Thai Printed Circuit Association (THPCA), which eased market entry and promoted workforce development.

Mr. Phuthana Daoruang, General Manager of the Thailand Printed Circuit Association (THPCA) said that the investment not only strengthens Thailand’s electronics supply chain but also creates opportunities in workforce upskilling, technology transfer, and downstream industries aligning with the country’s ambition to become a leading regional manufacturing hub.
Investment and Production Capacity

The new factory, located in Rojana Industrial Park, Ayutthaya, represents an initial investment of 2.5 billion baht and covers 53 rai (84,800 sq.m.), with plans to expand by another seek for another land for building new factory

Backed by registered capital of USD 77 million, the facility is designed to reach a production capacity of 300,000 sq.m. per month across two plants by 2025.

Plant 1 currently produces 100,000 sq.m. per month, including high-density interconnect (HDI) PCBs, supported by a workforce of around 700 employees. 

WELL TEK Electronics expects output to serve domestic demand and overseas. The Thai base is projected to surpass the company’s Chinese production capacity within five years.
Five-Year Roadmap and Revenue Outlook

WELL TEK Electronics has outlined a roadmap to scale both technology and capacity, supported by automation and R&D.

●    2024: Stable launch with 2–12 layer PCBs, surface finishing technologies, ERP systems, and a starting capacity of 50,000 sq.m./month.
●    2025: Expansion to 100,000 sq.m./month, integration of MES and AGV systems, and establishment of an R&D center.
●    2026: Construction of Plant 2, full smart production, 2–30 layer PCB capabilities, HDI upgrades, and fast sampling within 120 hours.
●    2027–2030: Scaling to 300,000 sq.m./month, advancing Any Layer HDI technology, rapid mass production, and a fully integrated supply chain.

Strengthening Thailand’s Position

Currently the second-largest PCB producer in Southeast Asia, Thailand is expected to benefit from WELL TEK Electronics’s presence through higher-value manufacturing, supply chain localization, and export competitiveness. 

“We believe in the professionalism and ongoing support from Thai government agencies and THPCA, both in sharing information and in problem-solving,” she added.
With Thailand as its first overseas production hub, WELL TEK Electronics is set to transform the country into a centerpiece of its global growth strategy — and strengthen Thailand’s standing as a destination for high-tech investment.