changning dierect

Our company was founded in 2003 in Shanghai, China. We started as an engineering & sourcing company for customized manufacturing of metal and plastic products. After working with hundreds of f...

3-11 Dart Commerical Center NO.516, Wenchuan Road, Shanghai 201906,China.

Shanghai Saipwell Electric Co., Ltd. is a manufacturer of PTC heaters, thermostats and all kinds of waterproof boxes with well-equipped testing equipment and strong technical force. <br/&...