... with convenient transportation by water, land and air. Specialized in development and production of copper valves, gas valves, cast steel ... ,Non-causticity liquid,Saturated Steam(<=0.6MPa)Working tempersture:-20 to 100 degreeParallel Pipe Thread to ISO228/1,BSP ... doctoral Research Center provide the capacity to offer customers full-range valves. The company, following the customers’ special demands and ...