PU Hose, Welding Hose, Spiral Hose manufacturer / supplier in China, offering Pneumatic Flexible PU Polyurethane Spiral Tube (12*8mm), Pneumatic Flexible PU Polyurethane Spiral Tube (10*6.5mm), Pneumatic Flexible PU Polyurethane Spiral Tube (8*5.5mm) and so on.