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Supplier / Si Maha Phot, Prachin Buri (304 Industrial Park) · TH

CMK Corporation (Thailand)

CMK CORPORATION (THAILAND) COMPANY LIMITED

CMK Corporation (Thailand) Co., Ltd. makes HDI and rigid PCBs in 304 Industrial Park, Prachin Buri, Thailand. Part of CMK Corporation. Certificates for this plant: ISO 14001. Thai name: บริษัท ซีเอ็มเค คอร์ปอเรชั่น (ประเทศไทย) จำกัด. Registration no. 0105549049707.

PCB illustration · company photos not supplied

Manufacturing site
304 Industrial Park
Board type
rigid / HDI
Profile ownership
Not confirmed
Research reviewed
2026-09-24
01 /

Know the company.

CMK Corporation (Thailand) makes printed circuit boards at 304 Industrial Park. The plant is in production. Part of CMK Corporation (日本シイエムケイ株式会社) (Japan).

Manufacturing site

End markets: automotive

Who owns this plant

Thai legal entity
CMK CORPORATION (THAILAND) COMPANY LIMITED · บริษัท ซีเอ็มเค คอร์ปอเรชั่น (ประเทศไทย) จำกัด
Registration number
0105549049707 · registered 2006-04-18
Registered capital
THB 9,007,300,000
Owned by
CMK Corporation (日本シイエムケイ株式会社) 100%, annual securities report filed 2026[3]
Parent group
CMK Corporation (日本シイエムケイ株式会社) · Japan · TSE 6958 · revenue 100,202,000,000 JPY in 2026[5]

Published investment

  • New factory on the Thai main-plant premises (Industrial Park 304, Prachinburi), first-phase investment: 25,000,000,000 JPY, 2022-09-30[4]

What the company has announced next

  • The new Thai factory is designed to double CMK's HDI PCB capacity.[4]
  • The new factory has space for a second-phase build-out that would take HDI capacity to about four times the 2022 level.[4]
  • The new plant in Thailand was launched in the fiscal year ended March 2026.[5]
  • CMK revised its Medium-term Management Plan in May 2026, aiming at automotive growth (CASE, ADAS, integrated ECUs) and new sectors such as semiconductors and industrial equipment.[6]

Company facts from filings, the Thai company register, BOI releases and company announcements. Private individuals are not named.

  1. CMK CORPORATION (THAILAND) COMPANY LIMITED (DBD data). Creden Data (2026)
  2. CMK CORPORATION (THAILAND) COMPANY LIMITED, registered capital. Creden Data (2026)
  3. 日本シイエムケイ株式会社 有価証券報告書 (関係会社の状況), EDINET text mirror. EDINET DB (2026)
  4. Notice of Construction of New Factory. CMK Corporation (2022)
  5. 2026 Business Report. CMK Corporation (2026)
  6. 2026 Business Report (message). CMK Corporation (2026)
  7. 2026 Business Report (company outline). CMK Corporation (2026)

Tracker events for this plant

  1. Announced

    CMK Corporation. CMK announced the construction of a new factory in Thailand, planned to double its HDI board capacity. CMK

Open the tracker

02 /

Find the technical fit.

Reported site status: operating: Building 3 opened May 2024

Published for this plant: 3 / 20 · parent group only: 2

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
60 µm (2.4 mil)
Parent group only
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
FR-4 · CEM-3
Parent group only
Surface finishes
Ask the plant
Not published: ask
Solder mask and legend colours
Ask the plant
Not published: ask

Quality and certificates

Certificates
ISO 14001
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: HDI (build-up) PCBs and multilayer PCBs for automotive use; no plant process specifications published

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.

03 /

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

Recorded certifications

ISO 14001

Research mentions only. Ask for the current certificate, issuer and site scope.

01 / www.cmk-corp.com ↗02 / www.cmk-corp.com ↗03 / 304industrialpark.com ↗04 / map.longdo.com ↗05 / www.304industrialpark.com ↗06 / www.shimz-global.com ↗07 / jpcb.jp ↗