We, Hans Tech has gained the confidence of its customers, through the years, serving both the original equipment manufacturers (OEM) and the replacement for refrigeration compressor. The refrigeration valve and parts of compressor, especially in our producing ones are the items of our specialty and they are highly evaluated about the high quality and the good prices in parts consumer market in Korea. We supply refrigeration machine field is as following; 1. Replacement parts for industrial refrigerating screw-compressor. 2. Replacement parts for industrial refrigerating reciprocating-compressor. 3. Nh3 & Freon gas valves for industrial refrigeration.