GRAND GAS EQUIPMENT INCORPORATION
關友股份有限公司
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1980Founded
NT$233MPaid-in capital
2Plants
1Certifications
2Patents
NT$20–100MRevenue band (est.)
- Unified Business No.
- 20861857
- Industry
- Fabricated Metal Products (25,390)
- Main products
- Other fabricated metal products (10,961)
- Location
- No. 28, Gong 1st Rd., Rinan Vil., Dajia Dist., Taichung City 43767, Taiwan (R.O.C.)
Taichung City (17,121) · Dajia Dist. (652) - Listing
- Not publicly issued (84,625)
- Registration status
- Approved / Active
- Organisation type
- Company Limited by Shares
- Founded
- 1980-07-24
- Paid-in capital
- NT$ 232,560,000
- Representative
- Hung Wen-chao
- Phone
- 04-26811126
- Website
- https://www.grandgas.com.tw/tw_index.html
- Exporter
- Yes — registered with the Trade Administration
- Annual revenue band
- NT$20–100M estimated
- Ownership
- Group subsidiary / corporate-held · GRAND HALL ENTERPRISE CO., LTD.、Chen Mao Tou Tzu Yeh Co., Ltd.、Chia Yuan Tou Tzu Co., Ltd.、Yi Cheng Tou Tzu Co., Ltd.、Chi Hung Tou Tzu Co., Ltd.
- Representative tenure
- In office since at least 2013 (13+ years)
- Compliance record
- Environmental penalties: 4 case(s) in 5 years, latest 2026-09-09, fines NT$ 500,000 (stationary air pollution)
Occupational safety penalties: 1 case(s) in 5 years, latest 2023-06-20 (Art. 6) — matched by company name
Plants 2
- Plant 2 · No. 24, Gongyi Rd., Dajia Dist., Taichung City In production
- Dajia Plant · No. 28, Gongyi Rd. / No. 1, Yousan Rd., Dajia Dist., Taichung City In production
Certifications 1
- ISO 9001 (4,293)Self-reported
Processes & materials 3
- Copper alloy (324) · MetalSelf-reported
- Testing & inspection (1,056) · Assembly & inspectionSelf-reported
- Forging (299) · FormingSelf-reported
Patents 2
- 2025 Switch valve with switch display function
- 2023 Gas switch valve with dust cover
Recent changes 1
- PenaltiesEnvironmental penalties: latest case 2026-09-09; 4 case(s) in 5 years, fines NT$ 500,000
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