YEE FONG CHEMICAL & INDUSTRIAL CO., LTD.
義芳化學工業股份有限公司
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1Plants
2Certifications
4Patents
NT$1–5BRevenue band (est.)
- Unified Business No.
- 15395706
- Industry
- Chemical Materials & Fertilizers (842)
- Main products
- Basic chemical materials (359)
- Location
- 7 F., No. 310, Juguang Rd., Wanhua Dist., Taipei City 10860, Taiwan (R.O.C.)
Taoyuan City (10,976) · Luzhu Dist. (1,965) - Listing
- Not publicly issued (84,625)
- Organisation type
- Company Limited by Shares
- Representative
- Kuo Chih-hao
- Phone
- 02-23062131
- Exporter
- Yes — registered with the Trade Administration
- Annual revenue band
- NT$1–5B estimated
- Ownership
- Group subsidiary / corporate-held · Chin Yi Ho Tou Tzu Co., Ltd.、Hsuan Yang Tou Tzu Co., Ltd.、Pei Hsun Industrial Co., Ltd.
- Representative tenure
- In office since at least 2015 (11+ years)
- Compliance record
- Environmental penalties: 11 case(s) in 5 years, latest 2026-06-10, fines NT$ 10,099,000, 4 major (water pollution; stationary air pollution)
Labour Standards Act penalties: 3 case(s) in 5 years, latest 2025-10-22, fines NT$ 150,000 (Art. 39; Art. 32; Art. 24) — matched by company name
Occupational safety penalties: 10 case(s) in 5 years, latest 2026-08-14, fines NT$ 160,000 (Art. 27; Art. 224; Art. 21) — matched by company name
Certifications 2
- ISO 50001 (296)Official registry · SGS Taiwan Ltd.
- ISO 9001 (4,293)Official registry Valid until 2026-11-25 · TÜV NORD Taiwan Ltd.
Patents 4
- 2025 Method for reducing chemical oxygen demand in wastewater
- 2022 Manufacturing method for dichloropropanol and epichlorohydrin
- 2022 Preparation method of high-purity hydrochloric acid and high-purity hydrochloric acid
Recent changes 4
- Certification expiry · UpcomingISO 9001 certificate expires on 2026-11-25
- PenaltiesOccupational safety penalties: latest case 2026-08-14; 10 case(s) in 5 years, fines NT$ 160,000
- PenaltiesEnvironmental penalties: latest case 2026-06-10; 11 case(s) in 5 years, fines NT$ 10,099,000
- PenaltiesLabour Standards Act penalties: latest case 2025-10-22; 3 case(s) in 5 years, fines NT$ 150,000
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