Ningbo Yong Yuan Energy-Saving Technology Co., Ltd, sales headquarters is located in NINGBO CITY, the factory is located in Lanxi Zhejiang Jiangnan Industrial Park. Factory covers an area of more than 10000 square meters.We have strict and responsible production team, including: Mold manufacturing, CNC lathes, injection molding, electronic assembly, valve processing, motor manufacturing, drive assembly and other workshops, We are specialized in manufacturing wide range of Air conditioning fittings, such as thermostat, motorized valve, valve actuator, valve actuator motor, etc...Production process strictly implement the ISO9001 certification system, We also have got the China Center CQC(CCC) certificate and EU CE certification, etc...We guarantee our products and services.www.yong-yuan.com