- APTO Co., Ltd .
- investment castings , squeeze castings , Propellers , Valves , hardware , Auto parts , percision parts , Monel castings , Hastelloy castings , lost wax casting .
- Address:No.31 Gongye N. Rd., Nantou City, Taiwan , ROC ., Taiwan
- YUNG GANG ENTERPRISE CO.,LTD.
- HASTELLOY VALVE,VALVES,TC CLAMPS,actuator,HEAT EXCHANGER,FILTER HOUSING,VALVES,CLAMPS.
- Address:No. 70-9, 121 Alley, 175 Street, Gwor-Shen road
- Zipson Steel Industrial Co., Ltd.
- Ball Valve, Flanged Ball Valve, Top-Entry Ball Valve, 3 / 4 / 5-Way Sanitary Ball Valve, Multi-Port Ball Valve, 3-Way Ball Valve / Zipson's Multi-Way Ball Valve, Hastelloy C Ball Valve,,Valves.
- Address:No. 9 Chen Kong 2st. Ming Shang Industrial Prak. Chia-yi. Taiwan, R. O. C.
- Perfect Welding Technology Co., Ltd.
- Ti, titanium, Zr, Nb, Ta, Hastelloy, Incolloy monel, Ti tube, titnium tube.
- Address:No. 9-39, Nan Ken Rd., Nan Ken Village, Ta Liao, Kaohsiung Hsien 831 Taiwan
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