14 years experience heat pump manufacturer in the South developed area of China,6800 sqm, equipped with 3 automatic production line,3 cold/hot condition enthalpy testing lab , fully refrigerant auto-refilling machine(vacuum≤8Pa) , as well as all necessary testing equipment, such as 4-in-1 electricity safety inspection machine and halogen leakage checking machine, passed ISO 9001:2008 .