Supplier / Mueang Samut Sakhon (Khok Kham and Rama II Road plants) · TH
Apex Circuit (Thailand)
APEX CIRCUIT (THAILAND) COMPANY LIMITED
Apex Circuit (Thailand) Co., Ltd. makes HDI and rigid PCBs up to 28 layers in Sinsakhon Industrial Estate, Samut Sakhon, Thailand. Part of Apex International Co., Ltd. Certificates for this plant: ISO 9001, IATF 16949, ISO 14001, ISO 45001, ISO/IEC 17025, ISO/IEC 27001. Surface finishes: OSP, immersion silver, carbon ink, immersion tin, ENIG, gold finger. Thai name: บริษัท เอเพ็กซ์ เซอร์คิต (ไทยแลนด์) จำกัด.
PCB illustration · company photos not supplied
- Manufacturing site
- Sinsakhon Industrial Estate
- Board type
- HDI / rigid
- Profile ownership
- Not confirmed
- Research reviewed
- 2026-09-24
Know the company.
Apex Circuit (Thailand) makes printed circuit boards at Sinsakhon Industrial Estate. The plant is in production. Part of Apex International Co., Ltd. (泰鼎國際, Cayman Islands-registered holding company) (Taiwan).
Manufacturing site
End markets: automotive · consumer · consumer electronics · telecom
Who owns this plant
- Thai legal entity
- APEX CIRCUIT (THAILAND) COMPANY LIMITED · บริษัท เอเพ็กซ์ เซอร์คิต (ไทยแลนด์) จำกัด
- Registration number
- 0745544001956 · registered 2001-09-27
- Registered capital
- THB 1,956,000,000
- Owned by
- Apex International Co., Ltd. (泰鼎國際股份有限公司, Cayman Islands) 99.69%, 2025 annual report (published April 2026)[3]
- Parent group
- Apex International Co., Ltd. (泰鼎國際股份有限公司) · Cayman Islands (holding company; operations in Thailand, Taiwan branch) · TWSE 4927 (泰鼎-KY) · revenue 11,608,228,000 TWD in 2025[4]
What the company has announced next
- Apex says it will keep investing in capital expenditure over the next two years to improve processes, capacity, yields and costs.[5]
- Apex is adding machine equipment and seeking new customers to fill the capacity of its new plants.[6]
Company facts from filings, the Thai company register, BOI releases and company announcements. Private individuals are not named.
- APEX CIRCUIT (THAILAND) COMPANY LIMITED (DBD data). Creden Data (2026)
- APEX CIRCUIT (THAILAND) COMPANY LIMITED, registered capital. Creden Data (2026)
- Apex International Co., Ltd. 2025 Annual Report (enterprises directly or indirectly controlled). Apex International Co., Ltd. (2026)
- Apex International Co., Ltd. 2025 Annual Report (financial analysis, NT$ thousand). Apex International Co., Ltd. (2026)
- Apex International Co., Ltd. 2025 Annual Report (future R&D projects). Apex International Co., Ltd. (2026)
- Apex International Co., Ltd. 2025 Annual Report (market share and demand). Apex International Co., Ltd. (2026)
- Taipei Economic and Cultural Office in Thailand representative visited Apex. Apex International Co., Ltd. (2024)
- TWSE e-document query: 泰鼎-KY (4927) annual report filing. Taiwan Stock Exchange (2026)
- Apex International Co., Ltd. 2025 Annual Report (company profile). Apex International Co., Ltd. (2026)
Find the technical fit.
Reported site status: operating (since 2001): about 1 million sqm/month across its Thai plants
Construction
- Board types
- HDI · rigid
- Published for this plant
- Maximum layers
- Up to 28
- 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
- 65 µm (2.6 mil) · 0.065/0.065 mm (2.5/2.5 mil) inner and outer; 0.05/0.05 mm (2.0/2.0 mil) under development
- Published for this plant
- Smallest finished hole
- 0.15 mm
- Published for this plant
- 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
- FR-4 · CEM-3 · halogen-free FR-4 · Rogers
- Published for this plant
- Surface finishes
- OSP · immersion silver · carbon ink · immersion tin · ENIG · gold finger
- Published for this plant
- Solder mask and legend colours
- Ask the plant
- Not published: ask
Quality and certificates
- Certificates
- ISO 9001 · IATF 16949 · ISO 14001 · ISO 45001 · ISO/IEC 17025 · ISO/IEC 27001 · TLS 8001
- 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
- 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: Blind and buried vias; HDI sequential build-up up to 3 levels; back drilling; resin plug; VIPPO; gold finger; 'HALF' finish listed; also CEM-3, halogen-free FR-4, Rogers and CAF-resistant laminate; board thickness 0.45-3.0 mm; 20-30 layers, 50 um line and 0.10 mm hole under development
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 · IATF 16949 · ISO 14001 · ISO 45001 · ISO/IEC 17025 · ISO/IEC 27001 · TLS 8001
Research mentions only. Ask for the current certificate, issuer and site scope.