Rotary Joints, Rotary Union, Metal Hose manufacturer / supplier in China, offering Replace 1/2" 3/4" 1"Inch 360 Deublin Rotary Joint Water Air Oil Swivel Rotating Joints, High Speed Rotary Joint Brass Swivel Joints Water Rotating Joints, Factory Sales 4 Passages Hydraulic Multi-Channel Rotary Joint and so on.