Waterproof Connector, Industrial Plug and Socket, Waterproof Junction Box manufacturer / supplier in China, offering Waterproof Industrial Aviation Plug and Socket Explosion-Proof Connector Y-Type 3/4/5p 16A32A, Stainless Steel Fermentation Bucket Automatic Air Vent Plug Explosion-Proof Pressure Relief Valve, Stainless Steel M10X1.5 Fermentation Bucket Automatic Venting Valve Breathing Air Vent Plug and so on.