... company Populace Group is one of the largest AC & heat pumps heat exchanger manufacturer in China as well as high quality metal cabinet ... is supplying the heat exchangers for Midea, Gree, TCL, LG, Samsung, Panasonic etc.Product Features:1. Material: copper, aluminium, galvanized plate.2. Copper ... products and perfect delivery date. copper tube shell and tube heat exchanger for air conditioner