JW41H German standard Flange stop valve Product working principle and use: The product structure is reasonable and the seal is reliable. The flange valve is
Zhejiang Guoji Fluid Control Co., LTD
High temperature and high pressure power station valve, hard seal butterfly valve, hard seal ball valve, knife gate valve, water conservancy valve, blind plate valve, regulating valve
JW41H German standard Flange stop valve Product working principle and use: The product structure is reasonable and the seal is reliable. The flange valve is