Supplier / Phra Nakhon Si Ayutthaya (Rojana Industrial Park) · TH
Shennan Circuits (Thailand)
Thaixing Circuits Co., Ltd.
Shennan Circuits (Thailand) makes rigid PCBs in Rojana Industrial Park Ayutthaya, Phra Nakhon Si Ayutthaya, Thailand. The plant is ramping up production. Part of Shennan Circuits Co., Ltd. Registered as Thaixing Circuits Co., Ltd. Thai name: บริษัท ไทยซิง เซอร์คิทส์ จำกัด.
PCB illustration · company photos not supplied
- Manufacturing site
- Rojana Industrial Park Ayutthaya
- Board type
- rigid
- Profile ownership
- Not confirmed
- Research reviewed
- 2026-09-24
Know the company.
Shennan Circuits (Thailand) makes printed circuit boards at Rojana Industrial Park Ayutthaya. The plant is ramping up production. Part of Shennan Circuits Co., Ltd. (SCC), controlled by AVIC International Holding (Aviation Industry Corporation of China group) (China).
Manufacturing site
End markets: aerospace · automotive · communications equipment · data centres · industrial · medical · telecom
Who owns this plant
- Thai legal entity
- THAIXING CIRCUITS CO., LTD. · บริษัท ไทยซิง เซอร์คิทส์ จำกัด
- Registration number
- 0145566006417 · registered 2023-12-14
- Registered capital
- THB 3,022,650,000
- Owned by
- Shennan Circuits Co., Ltd. 100% (through wholly owned Hong Kong subsidiaries 欧博腾有限公司 and 广芯封装基板香港有限公司 (indirect holding, 0.00% direct)), 2026-06-30[3]
- Parent group
- Shennan Circuits Co., Ltd. (深南电路股份有限公司) · China · SZSE 002916 · revenue 23,646,977,088.98 CNY in 2025[5]
Published investment
- Thailand plant total investment (company set-up, land, plant and equipment), board approval 22 Nov 2023: 1,274,180,000 CNY, 2023-11-22[4]
- Purchase of about 70 rai of industrial land in Rojana Industrial Park, Ayutthaya: 288,906,500 THB, 2024-04-10[6]
- Cumulative investment in the Thaixing high-speed high-density PCB project to 30 Jun 2026 (94.53% of budget): 1,204,487,322.95 CNY, 2026-06-30[7]
What the company has announced next
- The Thailand plant began line production in the second half of 2025 and was in capacity ramp-up in the first half of 2026.[8]
- The plant is set up for high-speed, high-density printed circuit boards (project name in the parent's filings).[7]
Company facts from filings, the Thai company register, BOI releases and company announcements. Private individuals are not named.
- THAIXING CIRCUITS CO., LTD. company profile (DBD data). Creden Data (2026)
- THAIXING CIRCUITS CO., LTD. registered capital (DBD data). Creden Data (2026)
- Shennan Circuits 2026 Semi-Annual Report, interests in subsidiaries. Shennan Circuits Co., Ltd. via CNINFO (2026)
- Announcement on investing in and building a Thailand plant (2023-049). Shennan Circuits Co., Ltd. via CNINFO (2023)
- Shennan Circuits 2025 Annual Report, key accounting data. Shennan Circuits Co., Ltd. via CNINFO (2026)
- Progress announcement on the Thailand plant (2024-017). Shennan Circuits Co., Ltd. via CNINFO (2024)
- Shennan Circuits 2026 Semi-Annual Report, significant non-equity investments. Shennan Circuits Co., Ltd. via CNINFO (2026)
- Shennan Circuits 2026 Semi-Annual Report, business review. Shennan Circuits Co., Ltd. via CNINFO (2026)
- Shennan Circuits 2025 Annual Report, parent company information. Shennan Circuits Co., Ltd. via CNINFO (2026)
Tracker events for this plant
Shennan Circuits (Thailand). Shennan Circuits reported that its Thai plant connected its production lines and started production in the second half of 2025. Shennan Circuits Co., Ltd. via CNINFO
Shennan Circuits. Shennan Circuits approved up to RMB 1.27 billion for a new PCB plant in Rojana Industrial Park, Ayutthaya. Printed Circuit Design & Fab (PCD&F)
Find the technical fit.
Reported site status: operating (ramping): production since 2H 2025
Construction
- Board types
- rigid
- Published for this plant
- Maximum layers
- Up to 68
- Parent group only
- 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
- 56 µm (2.2 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
- halogen-free FR-4 · FR-4 · Rogers · Polyimide · LCP
- Parent group only
- Surface finishes
- HASL · ENIG · immersion tin · OSP · immersion silver · gold finger · ENEPIG
- Parent group only
- Solder mask and legend colours
- Ask the plant
- Not published: ask
Quality and certificates
- Certificates
- ISO 9001 · IATF 16949 · 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
Special processes on record: Registered as a high-speed high-density PCB manufacturing project; high-layer-count, large-format, high-frequency/high-speed, high-order HDI and high heat-dissipation boards (Chinese coverage, Feb 2026)
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