The products of Bi-stable pulse valve£ Thermal reed Switch and LED floodlight for refrigerator were all developed firstly by kangyuan in China. After a market extend, all the products have became the customers favorites .Company were established in ***** same year, the FDF series pulse valve acquired the customers certificatesIn 2001The Thermal reed Switch for refrigerators were researched and developedIn 2002 The Bi-stable pulse valve were firstly researched and developed in china In 2004The LED lamp for refrigerator were researched and developed, and Kangyuan have became the first corporation that produce LED for refrigerator cosmically.