Waterproof Connector, Industrial Plug and Socket, Waterproof Junction Box manufacturer / supplier in China, offering Air Vent Plug Stainless Steel Waterproof Breather with Silicone Rubber Sealing, IP44 Industrial Plug and Socket Waterproof Connector 3pin 4pin 5pin 16A/32A, Industrial Plug and Socket IP44 16A 32A, Durable Nylon Material Electrical Socket and so on.