Cupro Nickel Products Division Daikin approved manufacturers for CFC free Copper Tubes for VRV/VRF Application Cupro Nickel 90/10 Cupro Nickel 70/30 Copper Nickel 95/5 , 66/30/2/2 (C71640) Copper Nickel Round Bars Automotive Break Tubings Cupro-Nickel Pipe Fitings