... manufacturer in China. Populace is supplying the heat exchangers for Midea, Gree, TCL, LG, Samsung, Panasonic ... .6mm, 31.75x27.5mm, equilateral triangle arrangement.Suitable for R134a, R22, R404a, R407c refrigerant and so on ... years of experiences. 4) Three- step Quality control. Inspect the raw material, unfinished products and finished ... and perfect delivery date. heat exchanger for air conditioner