Zhongli group co. Ltd. Spesializes in hvacr industry, it is the largest manufacturer with the longest history and good reputation in the industry. Our main products are central air conditioning temperature control system, air conditioner spare parts&pipes, quick connective coupler, refrigerating components, industrial tools, variety of filters etc. The company has been awarded with direct import&export rights and our products are ceritificated both by ISO 9002 and CE.