Introduction of Hangzhou Meian motor CO., LTD and Hangzhou Shuangyu motor CO.,LTD ShuangYu Industrial (China) Limited was set up in 1998 ... more than thirty thousand square meters. We own advanced technology and equipments and have high standard of mangement and ... application. After many years of efforts, cooperate with Hangzhou Meian motor CO., LTD, we develop, design, produce and manage varies kind ...