CRRC QingDao SiFang Rolling Stock Research Institute Co,.Ltd(hereinafter refferred to as SRI),which is affiliated with CRRC Corporation Limited,lays emphasis on the development of core industries of e...

RM718, Zhan Feng Building, Xixiang Town, Bao an , shen zhe

We are specialized in the consumer electronic items , such as : Bluetooth speaker ,Power bank and USB data cable for phones. Our strengths are : 1. Rich Experience ---We have several years of experi...