JDV Control Valves Co., Ltd. manufactures, processes, and sells of control switch under the JDV brand name in Taiwan, the Mainland China, the United States of America, Asia, Europe, and internationally. The company offers actuators, ball valves, butterfly valves, control valves, and gate/globe/check valves, as well as accessories. It also provides valve adjustment; valve dismantlement and installation; positioner/actuator replacement and adjustment; general maintenance and repair; soft seat customizing and tapping; components replacement and examination; components /hard face reengineering; and VOC examination and fixing. The company’s products are used in the petrochemical, refining, power plants, textile, steel, optical, food, chemical, and pulp and paper industries. The company was founded in 1967 and is headquartered in Taoyuan City, Taiwan.