Wisdom Air Conditioning & Refrigeration is a professional supplier of one-stop solutions HVAC/R parts. Our company located in Qingdao, China, specialized the full range parts (such as insulated copper tubes, A/C installation kits and materials, bracket, compressors, valves, ...

Kingbell International Co., Ltd. is a group company in Shanghai, China for 10 years. Our main business scope includes medical gas pipeline system, electronic, precision machining, intelligent mechatronics technology and IT software development as well cool mat series. Up till now, we have ...