Tianjin TENGDAXIN Electro-mechanical Products Co.,Ltd. ADD: Room 310, Chunxiang Building, No. 91, Xianyang Road, Nankai District, Tianjin Tel: 022-27682193 Fax: 022-27682193 Cell Phone: 13212000835 E-mail: jin@tjtengdaxin.com Website: www.tjtengdaxin.com Registered No.: Jin ICP Bei09009929