... , Singsino Group Ltd. has invested in several fields in China, includes PVC Hose, Rubber Hose and Plastic Machine which ... , Agriculture, Commodity Series etc.Rubber Twin Welding HoseCharacteristics:The two hoses are welding together,convenient for using and moving,with excellent ... of oxygen,acetylene,helium and argon in the gas welding.Working Temperature: -25°C-70°CSpecifications of Rubber Twin ...