Profile: Chongqing Hopeway Instruments Co., Ltd. is a manufacturer of control valves. We are an ISO 9001:2000 certified company. We are specialized in the research, manufacture and distribution of pneumatic/electric globe, butterfly, ball & other specialized control valves. We serve a wide range of industries such as metallurgy, petro-chemical, electric power, and light industry. Our V401 pneumatic eccentric plug rotary ball valve comprises of pneumatic actuators and eccentric plug rotary ball valves. These are light, small and compact, with eccentric plug which can reduce the wear of seat & prolong the lifespan of the product. These valves are applicable to fluids with high viscosity, fiber and granules. EN201 electric small control valve comprises of intelligent electric actuators and globe valves. These valves are small, light, with high precision and good performance. We manufacture various butterfly control valves including pneumatic low-load, electric low-load, pneumatic 3-eccentric and electric 3-eccentric butterfly control valves. Our M301 pneumatic low-load butterfly valve comprises of pneumatic actuators and low-load butterfly valves. They have simple structure, large diameter, light weight and large control valve. These valves are applicable to metallurgy and glass industries because of its block-proof & high-temperature-endurable characteristics. We are fully equipped with numerical control processing & testing equipments, and the most advanced assembly line. We also export our products to various countries worldwide.