... manufacturer in China. Populace is supplying the heat exchangers for Midea, Gree, TCL, LG, Samsung, Panasonic etc ... .5mm, equilateral triangle arrangement.7. Suitable for R134a, R22, R404a, R407c refrigerant and so on. Series 1Series 2Series 3Series ... Our products can be customized. We can produce for clients according to the sample or drawings.6) ... date. shell and tube heat exchanger for air conditioning