Chumi Aluminium coil ’s weather resistance tha tak hian boruak khirh tak, boruak lum lutuk, UV radiation, leh moisture te pawh a tuar thei tih a tichiang a ni. Hei hian pawn lama hmanna atan a tha hle a, chutah chuan a rawng nung tak leh a glossy finish chu kum tam tak chhung chu a vawng reng dawn a ni.