Copper Piping for Air Conditoner Material: Copper/Al Conforms to ISO19001 Customized Populace Group is one of the largest AC & heat pumps heat exchanger manufacturer in China as well as high quality metal cabinet, copper tube and heat pumps manufacturer in China. Populace is supplying these products for Midea, Gree, LG, Samsung, Panasonic etc. U-Bends Copper Tube 1. Customized2. Work Pressure: 3. ...