14 years experience heat pump manufacturer in the South developedarea of China,6800 sqm, equipped with 3 automatic productionline,3 cold/hot condition enthalpy testing lab , fullyrefrigerant auto-refilling machine(vacuum≤8Pa) , as well as allnecessary testing equipment, such as 4-in-1 electricity safetyinspection machine and halogen leakage checking machine,passed ISO 9001:2008 .