The company is in supply with copper aluminium pipe and aluminium board of various types. Common trademarks of copper pipes is: 12; trademarks of aluminium board and aluminium pipe: 1060,1070,3003,6063,6061 etc. Exterior diameter of copper aluminium pipe: 2---76, thickness: starts from 0.28, thickness of aluminium board: starts from 0.35. Products are mainly used in : air-condiction, blower, surface air cooler, tuyere, elbow, machine oiling, culture& sports tool and hardware, etc. Welcome for your cooperation.