Qingdao Saiyuan Industry & Trade Co., Ltd is located in the west coast of city. To east, it close to Qianwan Port Qingdao, and Tongsan Expressway west. So a good place not only for its location but also convenient transportation. We are always professional engaged searching, developing, ...

Qingdao Doublestone Industrial Group is one of the bigger manufacture wheel barrow , tyre and glove in China, we have 4 subsidiary companies 2 brach internation export department .We more than 400 tyres over 200 types casters, main produce OTR tyres, motorcyle tire, butyl tube, sttel rim, rubber ...