Ningbo Pol-sun(Group) Co.,Ltd. is a professional Manufacturer. Our main products series include waterproof connector,cable connector,Quick Coupler,threaded connector,waterproof circular connector,railway connector,circular connector,Pneumatic Product,Pneumatic Coupler,2PM Russian Connector. Most of our products have obtained International Approvals like ISO9001:2000 etc. With the advanced production facility, strong technical ability and professional production capability, we're sure that we can supply customers with the high quality and best design.Main Export Markets:North America, Western Europe, Eastern Europe, South America, Southeast Asia, Eastern Asia, Mid East, Oceania, Africa.