← Back to manufacturers / Zhejiang Doxi Valve Co., Ltd. Zhejiang Doxi Valve Co., Ltd. China Zhejiang Doxi Valve Co., Ltd. has over 30 years of experience in manufacturing Ball valves, lined ball Check valves, sight glass valves, and diaphragm valves. Website https://www.doxi-valve.com Visit website Valve types (categories) Ball valves Check valves Diaphragm valves Fluoropolymer lined valves Sight glasses