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Thai Kun Circuit (ManKun Technology Thailand)
THAI KUN CIRCUIT CO., LTD.
Thai Kun Circuit Co., Ltd. is building a plant for HDI and rigid PCBs in 304 Industrial Park, Prachin Buri, Thailand. Part of Ji'an Mankun Technology Co., Ltd. Thai name: บริษัท ไทย คูณ เซอร์คิท จำกัด.
PCB illustration · company photos not supplied
- Manufacturing site
- 304 Industrial Park
- Board type
- rigid / HDI
- Profile ownership
- Not confirmed
- Research reviewed
- 2026-09-24
Know the company.
Thai Kun Circuit (ManKun Technology Thailand) makes printed circuit boards at 304 Industrial Park. The plant is under construction. Part of Jian ManKun Technology Co., Ltd. (China).
Manufacturing site
End markets: AI servers · automotive · industrial
Who owns this plant
- Thai legal entity
- THAI KUN CIRCUIT CO., LTD. · บริษัท ไทย คูณ เซอร์คิท จำกัด
- Registration number
- 0255567001388 · registered 2024-06-04
- Registered capital
- THB 625,000,000
- Owned by
- Ji'an Mankun Technology Co., Ltd. (吉安满坤科技股份有限公司) 99.99% (through 伟仁达科技有限公司 (Grand Hope Technology Co., Limited, Hong Kong) -> THAI KUN PTE. LTD. (Singapore)), 2026-09[3]
- Parent group
- Ji'an Mankun Technology Co., Ltd. (吉安满坤科技股份有限公司) · China · SZSE 301132 · revenue 1,647,154,600 CNY in 2025[6]
Published investment
- Board approval for the Thailand production base (ceiling), 14 December 2023: 70,000,000 USD, 2023-12-14[8]
- Industrial land of about 51.9 rai at 304 Industrial Park: 140,143,500 THB, 2024-10[9]
- Thailand high-end PCB base project, total investment (CNY 470 million from convertible bond proceeds): 501,750,700 CNY, 2026-09[10]
What the company has announced next
- Mankun plans a base with 1.1 million m2 per year of high-end PCB capacity at 304 Industrial Park, Prachinburi.[11]
- The project targets local-capacity needs of customers in new-energy vehicles, AI servers, robotics and high-speed communications.[12]
- Construction is planned at 36 months, with full production in year 6 of the project period (including construction).[13]
- Main planned products are 4-layer, 6-layer-and-above and HDI boards.[14]
- The convertible bond that funds the Thai project passed SZSE review in June 2026 and received CSRC registration in July 2026.[15]
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)
- Ji'an Mankun Technology convertible bond prospectus (subsidiaries table). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology 2026 Interim Report (definitions). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology 2026 Interim Report (definitions). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology convertible bond prospectus (consolidated income statement, 10,000 CNY). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology convertible bond prospectus (company information). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Progress announcement on the new production base in Thailand. Ji'an Mankun Technology Co., Ltd. via cninfo (2024)
- Progress announcement on the new production base in Thailand. Ji'an Mankun Technology Co., Ltd. via cninfo (2024)
- Ji'an Mankun Technology convertible bond prospectus (Thailand project investment). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology convertible bond prospectus (Thailand project overview). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology convertible bond prospectus (Thailand project overview). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology convertible bond prospectus (Thailand project schedule). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology convertible bond prospectus (Thailand project revenue forecast). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology 2026 Interim Report (business review). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
- Ji'an Mankun Technology 2026 Interim Report (tax incentives). Ji'an Mankun Technology Co., Ltd. via cninfo (2026)
Find the technical fit.
Reported site status: under construction: production expected progressively from 2027
Published for this plant: 2 / 20 · parent group only: 1
Construction
- Board types
- rigid · HDI
- Published for this plant
- Maximum layers
- Ask the plant
- Not published: ask
- 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 · ISO 14001 · IATF 16949 · ISO 45001 · QC 080000 · UL · ISO 13485 · ISO/IEC 27001
- Parent group only
- 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
- Ask the plant
- Not published: ask
- 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: HDI and multilayer boards; high-layer-count power boards for AI servers
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.
Every detail on this page has a source or a confirmation date. A confirmed page does not certify capability: ask the plant for its current certificates.
- Company identity
- Not confirmed
- Representative authority
- No contact person published yet
- Supporting evidence
- Research sources below