Yancheng ValveDepot Manufacture Ltd.
Tefulong Machinery Group Co., Ltd
Z-Tide Valve Industrial Co., Ltd. (Taiwan)
Anhui Lujiang ChangTai Machinery factory
Anhui Tunxi High Pressure Valve factory 
Diefei Valve
Kaifeng High Pressure Valve Co. Ltd.
Liaoning Petrochemical Valve Menufacturer Co., Ltd.
Liaoning Tieling Valve Co. Ltd.,
Shandong Yidu Valve Factory
Shanghai Neles-Jamesbury Valve Co.Ltd
Shanghai No.5 valve plant
Suzhou Valve factory
Tianjin Shengkai Industrial Technology Development Co.,LTD
Wenzhou Shenjiang Valve co.Ltd.,
Zhejiang Chaoda Valve factory
Zigong High Pressure Valve Co., Ltd