- DerSheng Co., Ltd
- Address:No.342, Ta Niao Rd., Yuanlin
- King Young Valves Co., Ltd
- Address:32-6 hubei village, Linkou Township, Taipei Country
- CHENG TING STEEL TRADING CO LTD
- Address:BANCIAO CITY TAIPEI COUNTY 220, TAIWAN(R.O.C)
- Yuen Chang Stainless Steel Co.
- Address:13F, NO. 235, Jungjeng 4th Road, Chianjin Chiu, Kaohsiung, Taiwan