ZN63-12 Vacuum Circuit Breaker is a kind of high-voltage electrical equipment that is suitable for 50Hz AC power systems with rated voltages of 10kV, 12kV. It is widely used in various fields such as power plants, substations, industrial and mining enterp
PVC labcock ball valves is a multi-purpose valves. Due to the variability of products, both ends are allowed to access pipes of different standards. The product itself reserves a variety of male/female thread or sockets to meet the different needs of end
