Zhejiang Kangsheng is aprofessionalmanufacturerof high pressured tubes and extension products for refrigeratorsfreezers and air-conditional, Since its foundation, Kangsheng adheres to scientific and technological innovation,exploresthe application and substitution of new materials in refrigeration industry, developing energy-saving and environmentafriendly products.Currently produced steel tube, aluminum tube, copper tube, micro channel heat exchanger, condenser and evaporator arewidely used by wel-known home appliance. Material Composition: Bundy tube ( Steel) OD: Φ4.76mm OEM according to customer requirement.