艾德威尔流体控制工业集团/北京瑞拓江南自控设备有限公司
ADQVALVE flow control Three eccentric butterfly + Edwill industrial group international synchronization of the latest technology, control valve with double fork special pneumatic actuator, electric hydraulic actuator and the new technology of whole lining, high performance, high temperature and high pressure butterfly control valve; PTFE seal, metal seal, V type, C type, hemisphere ceramics lining ball control valve .
Website：www.adqvalve.com