- Yi-Go Enterprise Corperation Ltd
- Address:No. 1,Lane 230, Sec.3, Yung Ping Rd., Taiping City, Taichung, Taiwan
- Yuh Ching Electronic Teco Company
- Address:No.4, Aly. 657, Zhongzheng Rd., Shulin District, New Taipei City, Taiwan, Taiwan
- WYECO AUTO VALVES CO., LTD
- Address:4F, NO.98, SEC.3, CHIEN KUO NORTH RD., TAIPEI, TAIWAN, Taiwan
- Keyhole Enterprise Co., Ltd.
- Address:1Fl. No79, Sec 1, Tonghe W. St, Taipei, Taiwan
- ValWell Development Enterprise Co., Ltd.
- Address:No.61, Alley 6, Lane 296, Perng-Yi Road, Tay-Pyng Taichung Taiwan 41146 Taiwan
- Valwell Industrial Co., Ltd.
- Address:You 9th, Dajia, Taichung, Taiwan
- Chiu Tong Plastics Co., Ltd.
- Address:Yahsing, Changhua, Taiwan, Taiwan
- APTO Co., Ltd .
- Address:No.31 Gongye N. Rd., Nantou City, Taiwan , ROC ., Taiwan
- EVER METAL INDUSTRY CO., LTD.
- Address:KWANG FU, PA TEH, TAIWAN, Taiwan
- Sharey Enterprise Co.,Ltd.
- Address:90-27,holiau, Chungli, taoyuan/taiwan, Taiwan
- S&S STAINLESS INTERNATIONAL CO., LTD.
- Address:No.5-2, Aly. 1, Ln. 301, Dachang 1st Rd., Sanmin Dist.,, Kaohsiung City, Other, Taiwan
- Allrich Industrial Corp.
- Address:No. 308, Change-Ting Rd.,, Lu-Kang, Chang-Hua, Taiwan
- Tsang Fwa Industrial Co., Ltd.
- Address:P.O.Box 16-64 Taichung, Taiwan Taichung city Taiwan 408 Taiwan
- Shiung Jiun Enterprise Co., Ltd.
- Address:Yongjing Township, Changhua County, Taiwan, Taiwan
- Chang Da Precision Industry Co., Ltd.
- Address:No.22, Ln. 14, Heping Rd., Banqiao Dist. New Taipei City Taiwan (R.O.C.) 22061 Taiwan
- Leadingway Co., Ltd.
- Address:Ghung Shing Rd, Kaohsiung, Taiwan, Taiwan
- Valve Biz
- Address:No. 208, Chun Te Rd.,, Taipei, Taiwan
- Taizhou Wuzhou Valve Company
- Address:zhugang yuhuan, taizhou, zhejiang, Taiwan
- Taiwan Valve Centre Co., Ltd.
- Address:No.515~1, Sec. 2, Puding Rd., Daxi Township Taoyuan County Taiwan 33545 Taiwan
- ENGFULL CO., LTD.
- Address:JAXING, Taipei, Taiwan, Taiwan