Ningbo Sanheng Refrigeration Control Co.Ltd is situated at Xikou town, Ningbo city, China, a beautiful and national-level scenic spots for tourism, specialized in manufacturing for Refrigeration Parts and Auto A/C expansion valves with full specification. ã??ã??Developing on this for decades, we have built the top-ranking productive assembly lines with advanced productive techniques, all ready monitoring equipments and high autoimmunization in this company. There are lots of series products utilized by many factories producing mainframes at home and abroad. The products with high grade and credibility are trusted and recognized by vast customers for their excellent quality. ã??ã??We will make great enterprising unceasingly, striving for innovation, keep improving, and provide all customs with high-class products and services with the aim of equality forever, service forever and credit standing forever.