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Supplier / Prachin Buri (304 Industrial Park) · TH

Taihua Electronics Technology · Ellington

Taihua Electronics Technology Co., Ltd.

Taihua Electronics Technology Co., Ltd. makes rigid PCBs up to 20 layers in 304 Industrial Park (Prachinburi), Prachin Buri, Thailand. The plant is ramping up production. Part of Guangdong Ellington Electronics Technology Co., Ltd. Thai name: บริษัท ไทฮัว อิเล็กทรอนิกส์ เทคโนโลยี จำกัด.

PCB illustration · company photos not supplied

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

Know the company.

Taihua Electronics Technology · Ellington makes printed circuit boards at 304 Industrial Park (Prachinburi). The plant is ramping up production. Part of Guangdong Ellington Electronics Technology Co., Ltd. (依顿电子), invested with its wholly owned Ellington (Hong Kong) subsidiary; Ellington is controlled by Sichuan Jiuzhou Group (China).

Manufacturing site

End markets: automotive · computing and communications · consumer · display · industrial · industrial control · medical · medical devices · new energy · telecom

Who owns this plant

Thai legal entity
TAIHUA ELECTRONICS TECHNOLOGY CO., LTD. · บริษัท ไทฮัว อิเล็กทรอนิกส์ เทคโนโลยี จำกัด
Registration number
0255567001655 · registered 2024-07-01
Registered capital
THB 2,115,000,000
Owned by
Guangdong Ellington Electronics Technology Co., Ltd. (广东依顿电子科技股份有限公司) 100% (through 98.00% direct and 2.00% indirect (intermediate holder not named in the filing)), 2026-06-30[3]; 四川九洲投资控股集团有限公司 (controlling shareholder of Ellington) 30% (through Guangdong Ellington Electronics Technology Co., Ltd.), 2025-12-31[7]
Parent group
Guangdong Ellington Electronics Technology Co., Ltd. (广东依顿电子科技股份有限公司) · China · SSE 603328 · revenue 4,025,314,283.14 CNY in 2025[5]

Published investment

  • Taihua plant buildings and equipment (construction budget): 560,000,000 CNY, 2026-06-30[9]

What the company has announced next

  • Thailand phase 1 is planned at 500,000 m2 of capacity per year and will mainly serve overseas customer orders.[10]
  • Trial production began in the first quarter of 2026 and the plant is ramping up capacity.[11]

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

  1. Company registry record (DBD data mirror). Creden Data (2026)
  2. Company registry record: registered capital (DBD data mirror). Creden Data (2026)
  3. Ellington 2026 Interim Report (group structure table). Guangdong Ellington Electronics Technology Co., Ltd. via cninfo (2026)
  4. Ellington 2026 Interim Report (overseas operating entities). Guangdong Ellington Electronics Technology Co., Ltd. via cninfo (2026)
  5. Ellington 2025 Annual Report (key financial data). Guangdong Ellington Electronics Technology Co., Ltd. via cninfo (2026)
  6. Ellington 2025 Annual Report (share information). Guangdong Ellington Electronics Technology Co., Ltd. via cninfo (2026)
  7. Ellington 2025 Annual Report (top shareholders). Guangdong Ellington Electronics Technology Co., Ltd. via cninfo (2026)
  8. Ellington 2025 Annual Report (actual controller). Guangdong Ellington Electronics Technology Co., Ltd. via cninfo (2026)
  9. Ellington 2026 Interim Report (construction in progress). Guangdong Ellington Electronics Technology Co., Ltd. via cninfo (2026)
  10. Ellington 2025 Annual Report (business review). Guangdong Ellington Electronics Technology Co., Ltd. via cninfo (2026)
  11. Ellington 2026 Interim Report (business review). Guangdong Ellington Electronics Technology Co., Ltd. via cninfo (2026)
  12. Ellington's Thailand Plant Inaugurates. Guangdong Ellington Electronics Technology Co., Ltd. (2026)

Tracker events for this plant

  1. Groundbreaking

    Taihua Electronics Technology (Ellington). Taihua Electronics Technology, a Chinese maker of boards from 2 to 20 layers, broke ground for its first factory at 304 Industrial Park. 304 Industrial Park

Open the tracker

02 /

Find the technical fit.

Reported site status: operating (ramping): opened Mar 2026

Published for this plant: 2 / 20 · parent group only: 4

Construction

Board types
rigid
Published for this plant
Maximum layers
Up to 20
Published for this plant
HDI (microvias)
Ask the plant
Not published: ask
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
50 µm (2 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
high-Tg FR-4 · low-loss · metal core
Parent group only
Surface finishes
ENIG · immersion silver · immersion tin · HASL · OSP · carbon ink
Parent group only
Solder mask and legend colours
Ask the plant
Not published: ask

Quality and certificates

Certificates
ISO 14001 · IATF 16949 · ISO 9001 · ISO 45001 · ISO 13485 · QC 080000
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

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
01 / en.ellingtonpcb.com ↗02 / en.ellingtonpcb.com ↗03 / 304industrialpark.com ↗04 / 304industrialpark.com ↗05 / finance.sina.com.cn ↗06 / visionthai.net ↗07 / www.cls.cn ↗08 / www.nationthailand.com ↗