the inner package is bubble film,the outter package is carton.
5.working pressure up to 1.2 Mpa
1.Using copper and aluminium materials with high heat transfer coefficient to improve the hot working propety of the radiator. 2.Light in weight, reduce the load of the building. 3.Adapts to the domestic heating water and the open heating system for its corrosion resistant copper tube. 4.Greatly extend the using life of the radiator. 5.Beautiful appearance with its decorative function.