TONGTAI MACHINE & TOOL CO., LTD.
東台精機股份有限公司
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1969Founded
NT$2.5BPaid-in capital
2Plants
10Certifications
16Patents
≥ NT$5BRevenue band
- Unified Business No.
- 88120872
- Industry
- Machinery & Equipment (12,724)
- Main products
- General-purpose machinery (7,534)
- Location
- NO.3, LUKE 3RD RD., LUZHU DIST., KAOHSIUNG CITY 821, TAIWAN (R.O.C.)
Kaohsiung City (7,253) · Hunei Dist. (250) - Listing
- Listed (TWSE) (1,087) 4526
- Registration status
- Approved / Active
- Organisation type
- Company Limited by Shares
- Founded
- 1969-01-09
- Paid-in capital
- NT$ 2,548,264,610
- Representative
- Yen Juei-hsiung
- Phone
- 07-9761588
- Website
- https://www.tongtaimachinetool.com/
- Exporter
- Yes — registered with the Trade Administration
- Annual revenue band
- ≥ NT$5B
- Ownership
- Group subsidiary / corporate-held · SAN SHIN CO., LTD.、Juei Hsiu Tou Tzu Co., Ltd.、Tsan Ying Tou Tzu Co., Ltd.、Wei Ling Tou Tzu Co., Ltd.、Hung Mai Co., Ltd.
- Representative tenure
- In office since at least 2013 (13+ years)
- Growth & profitability
- Gross margin 15.5%, operating margin -9.8%, net margin -10% (2026-Q2 YTD)
Plants 2
- Hunei Plant · 1F, No. 946, Sec. 1, Zhongshan Rd., Hunei Dist., Kaohsiung City In production
- Plant 1 · Zhuqu Beiling Kesanlu Kesan No. 3, Nanke Kaohsiung Kaohsiung Shi Kaohsiung Rd., Luzhu Dist., Kaohsiung City In production
Certifications 10
- CNS 27001 (35)Official registry · TÜV NORD Taiwan Ltd.
- ISO 14001 (1,159)Official registry · Metal Industries Research & Development Centre (MIRDC)
- ISO 45001 (962)Official registry · Metal Industries Research & Development Centre (MIRDC)
- ISO 9001 (4,293)Official registry · Metal Industries Research & Development Centre (MIRDC)
- ISO 14001 (1,159)Self-reported
- ISO 14064 (319)Self-reported
- ISO 14067 (83)Self-reported
- ISO 45001 (962)Self-reported
- ISO 50001 (296)Self-reported
- ISO 9001 (4,293)Self-reported
Processes & materials 8
- CNC machining (1,033) · MachiningSelf-reported
- Machining centre (175) · MachiningSelf-reported
- Tapping (229) · MachiningSelf-reported
- Mould design & manufacturing (644) · MachiningSelf-reported
- Cleanroom production (392) · Assembly & inspectionSelf-reported
- Precision machining (353) · MachiningSelf-reported
- Turning (507) · MachiningSelf-reported
- Milling (482) · MachiningSelf-reported
Patents 16
- 2026 Wafer grinding device
- 2026 Wafer grinding kit, wafer grinding device and wafer grinding method
- 2026 Z-axis machining device
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