TONG HSING ELECTRONIC INDUSTRIES, LTD.

同欣電子工業股份有限公司

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1974Founded

NT$2.1BPaid-in capital

4Plants

9Certifications

126Patents

≥ NT$5BRevenue band

Unified Business No.: 04226986
Industry: Electronic Components (2,523)
Main products: Semiconductors (243)
Location: 6 F., NO. 83, YANPING S. RD., ZHONGZHENG DIST., TAIPEI CITY 10043, TAIWAN, R.O.C.
New Taipei City (16,829) · Yingge Dist. (571)
Listing: Listed (TWSE) (1,087) 6271
Registration status: Approved / Active
Organisation type: Company Limited by Shares
Founded: 1974-08-11
Paid-in capital: NT$ 2,090,580,240
Representative: Chiu Szu-chi
Phone: 03-3625000
Website: https://www.theil.com/zh-tw
Exporter: Yes — registered with the Trade Administration
Annual revenue band: ≥ NT$5B
Ownership: Group subsidiary / corporate-held · Sheng Tai Hsing Enterprise Co., Ltd.、Huan Tai Co., Ltd.、Chang Hsin Tou Tzu Co., Ltd.、Shih Heng Industrial Co., Ltd.
Representative tenure: In office since 2019-07 (7 yrs); last handover 2019-07
Growth & profitability: Revenue 2026-09 YoY +22.1%, year-to-date +8.5%
Gross margin 29.6%, operating margin 16.2%, net margin 15.3% (2026-Q2 YTD)
Compliance record: Environmental penalties: 1 case(s) in 5 years, latest 2026-06-26, fines NT$ 100,000 (stationary air pollution)
Labour Standards Act penalties: 6 case(s) in 5 years, latest 2026-06-11, fines NT$ 408,000 (Art. 22; Art. 32; Art. 24) — matched by company name
Occupational safety penalties: 1 case(s) in 5 years, latest 2021-11-05 (Art. 95) — matched by company name

Plants 4

Taipei Gong Plant · No. 55, Ln. 365, Yingtao Rd., Yingge Dist., New Taipei City In production
Zhubei Gong Plant · No. 84, Taihe Rd., Zhubei City, Hsinchu County In production
Badegong Plant · No. 88, Ln. 1125, Heping Rd., Bade Dist., Taoyuan City In production
Fengongsi Fengong · No. 21, Longyuan 5th Rd. (Hsinchu Science Park), Longtan Dist., Taoyuan City In production

2026-06-26
PenaltiesEnvironmental penalties: latest case 2026-06-26; 1 case(s) in 5 years, fines NT$ 100,000
2026-06-11
PenaltiesLabour Standards Act penalties: latest case 2026-06-11; 6 case(s) in 5 years, fines NT$ 408,000

PIXART IMAGING INC. · Hsinchu County Listed (TPEx) ≥ NT$5B
Shared: Ceramics, Other merchandise wholesale brokerage n.e.c., Other electronic components manufacturing n.e.c.
ADVANCED CERAMIC X CORPORATION · Hsinchu County Listed (TPEx) NT$1–5B
Shared: Ceramics, Powder metallurgy, Other electronic components manufacturing n.e.c., Electronic equipment wholesale
E-WANT ELECTRICAL CO., LTD. · Kaohsiung City < NT$20M estimated
Shared: Ceramics, Powder metallurgy, Other electronic components manufacturing n.e.c.
TA-I TECHNOLOGY CO., LTD. · Taoyuan City Listed (TWSE) ≥ NT$5B
Shared: Ceramics, IATF 16949, Other merchandise wholesale brokerage n.e.c., Other electronic components manufacturing n.e.c.
NEW CERA ELECTRONIC CO., LTD. · Miaoli County < NT$20M estimated
Shared: Passive electronic component manufacturing
VIKING TECH CORPORATION · Hsinchu County Listed (TPEx) NT$1–5B
Shared: Ceramics, IATF 16949, ISO 13485, Other electronic components manufacturing n.e.c.
YOUNGTEK ELECTRONICS CORPORATION · Hsinchu City Listed (TPEx) NT$1–5B
Shared: Grinding, IATF 16949
PROSPERITY DIELECTRICS CO., LTD. · Taoyuan City Listed (TPEx) ≥ NT$5B
Shared: Ceramics, AS9100, Other electronic components manufacturing n.e.c.
PYNMAX TECHNOLOGY CO., LTD. · Kaohsiung City NT$0.5–1B estimated
Shared: Other merchandise wholesale brokerage n.e.c., Other electronic components manufacturing n.e.c.
WALTON ADVANCED ENGINEERING INC. · Kaohsiung City Listed (TWSE) ≥ NT$5B
Shared: Grinding