Ningbo Songying Auto Air-Conditioner Parts Co., Ltd. is a member enterprise of Automotive Air Conditioner Working Committee of China Refrigeration Industry Association. It is a professional manufacturer of "SONGYING"; brand thermostat expansion valve whose products have been tested and appraised by the state authority organ. The company has also been approved by ISO9002 authentication.

The American, Japanese and international technical standards for automotive air conditioners are currently applied by the company to control quality of expansion valves for diversified vehicles. It is the only appointed supplier of domestic automobile manufacturers. With steady and reliable quality, the products are well marketed in U.S., southeastern Asian countries, and west European countries.

In 1996, approved by verification for new products production of Ningbo and won honor of Top Quality Scientific and Technological products of Zhejiang Province. In 1998, won the prize of Scientific and Technological progress of Ningbo. In 1999, arwarded the golden prize of excellent new products on the 12th National Invention Exhibition. In 1999, won accreditation after verified by the appraisal committee of Shanghai Delphi , the National Automobile Testing Center and Shanghai Communication University.

Songying staff, always remembering the basis philosophy: to develop the national industry, will further strengthen the management, upgrade the products and optimize their layout. Everyone on the Songying team pledges to work ever harder to create a famous brand and pursue superior quality.

Songying, embracing the world and known to the world, is bound to be reputed across the national boundaries.