Supplier / Phra Nakhon Si Ayutthaya (Rojana Industrial Park) · TH
Well Tek Electronics · Welgao
Well Tek Electronics Co., Ltd.
Well Tek Electronics Co., Ltd. makes HDI and rigid PCBs up to 30 layers in Rojana Industrial Park Ayutthaya, Phra Nakhon Si Ayutthaya, Thailand. Part of Jiangxi Welgao Electronics Co., Ltd. Certificates for this plant: ISO 9001. Thai name: บริษัท เวล เทค อิเล็กทรอนิกส์ จำกัด.
PCB illustration · company photos not supplied
- Manufacturing site
- Rojana Industrial Park Ayutthaya
- Board type
- HDI / rigid
- Profile ownership
- Not confirmed
- Research reviewed
- 2026-09-24
Know the company.
Well Tek Electronics · Welgao makes printed circuit boards at Rojana Industrial Park Ayutthaya. The plant is in production. Part of Jiangxi Welgao Electronics Co., Ltd. (威尔高) (China).
Manufacturing site
End markets: AI servers · automotive · communication · consumer · consumer electronics · data centres · industrial · industrial control · medical · power supplies · telecom
Who owns this plant
- Thai legal entity
- WELL TEK ELECTRONICS CO., LTD. (formerly WELGAO ELECTRONICS (THAILAND) CO., LTD.) · บริษัท เวล เทค อิเล็กทรอนิกส์ จำกัด
- Registration number
- 0145566001041 · registered 2023-02-17
- Registered capital
- THB 2,500,000,000
- Owned by
- Jiangxi Welgao Electronics Co., Ltd. (江西威尔高电子股份有限公司) 100% (through wholly owned third-tier subsidiary; the filing does not name its direct holder), 2026-06-30[4]
- Parent group
- Jiangxi Welgao Electronics Co., Ltd. (江西威尔高电子股份有限公司) · China · SZSE ChiNext 301251 · revenue 1,544,306,565.99 CNY in 2025[6]
Published investment
- Over-raised IPO funds used for the Thailand 600,000 m2/year PCB project: 110,000,000 CNY, 2023-09-06[8]
What the company has announced next
- Welgao plans to carry out Thailand phase 2 construction in the second half of 2026.[9]
- New Thailand phase 1 capacity began production in H1 2026 and is expected to reach full output in H2 2026.[10]
- Phase 1 has a design capacity of 1.2 million m2 per year.[11]
Company facts from filings, the Thai company register, BOI releases and company announcements. Private individuals are not named.
- Company registry record (DBD data mirror). Creden Data (2026)
- Company registry record: registered capital (DBD data mirror). Creden Data (2026)
- Company search result: WELL TEK. Creden Data (2026)
- Jiangxi Welgao 2026 Interim Report (group structure table). Jiangxi Welgao Electronics Co., Ltd. via cninfo (2026)
- Jiangxi Welgao 2025 Annual Report (overseas operating entities). Jiangxi Welgao Electronics Co., Ltd. via cninfo (2026)
- Jiangxi Welgao 2025 Annual Report (key financial data). Jiangxi Welgao Electronics Co., Ltd. via cninfo (2026)
- Jiangxi Welgao 2025 Annual Report (company information). Jiangxi Welgao Electronics Co., Ltd. via cninfo (2026)
- Jiangxi Welgao 2026 Interim Report (use of over-raised funds). Jiangxi Welgao Electronics Co., Ltd. via cninfo (2026)
- Jiangxi Welgao 2026 Interim Report (performance drivers). Jiangxi Welgao Electronics Co., Ltd. via cninfo (2026)
- Jiangxi Welgao 2026 Interim Report (performance drivers). Jiangxi Welgao Electronics Co., Ltd. via cninfo (2026)
- Investor relations activity record No. 2025-001. Jiangxi Welgao Electronics Co., Ltd. via cninfo (2025)
- Investor relations activity record No. 2025-001. Jiangxi Welgao Electronics Co., Ltd. via cninfo (2025)
- Jiangxi Welgao 2025 Annual Report (tax incentives). Jiangxi Welgao Electronics Co., Ltd. via cninfo (2026)
Find the technical fit.
Reported site status: operating (since Jun 2024)
Construction
- Board types
- HDI · rigid
- Published for this plant
- Maximum layers
- Up to 30
- Published for this plant
- HDI (microvias)
- Yes
- Published for this plant
- Largest board or panel
- Ask the plant
- Not published: ask
- Board thickness range and tolerance
- Ask the plant
- Not published: ask
- Copper weight, outer and inner
- Ask the plant
- Not published: ask
Fine features
- Minimum line / space
- Ask the plant
- Not published: ask
- Smallest finished hole
- Ask the plant
- Not published: ask
- Aspect ratio (board thickness to hole)
- Ask the plant
- Not published: ask
- Minimum annular ring
- Ask the plant
- Not published: ask
- Impedance control and tolerance
- Ask the plant
- Not published: ask
Materials and finish
- Laminates
- Ask the plant
- Not published: ask
- Surface finishes
- Ask the plant
- Not published: ask
- Solder mask and legend colours
- Ask the plant
- Not published: ask
Quality and certificates
- Certificates
- ISO 9001
- Published for this plant
- Electrical test (flying probe or fixture) and AOI
- Ask the plant
- Not published: ask
- IPC-6012 class built to
- Ask the plant
- Not published: ask
Orders
- Order sizes taken
- Small batches · Volume
- Published for this plant
- Assembly at this site
- Ask the plant
- Not published: ask
- Lead time, prototype and production
- Ask the plant
- Not published: ask
Special processes on record: any-layer HDI is on the 2027 to 2030 roadmap; Phase II aims at HDI above 50 layers (May 2026 press)
Every plant gets the same rows. A value is shown only with its source: the company's own confirmation, research published for this Thai plant, or figures the parent group publishes for its other plants.
Trust you can inspect.
The same evidence standard applies to buyers and suppliers. A profile claim does not certify capability or payment reliability.
- Company identity
- Not confirmed
- Representative authority
- No contact person published yet
- Supporting evidence
- Research sources below
- Transaction history
- No transaction assurance is implied by this profile.
Recorded certifications
ISO 9001
Research mentions only. Ask for the current certificate, issuer and site scope.