Shanghai One-stop Engineering Co.,Ltd Add: 36 Hongkong Middle Road, Qingdao, China. E-mail:info@china-onestop.com Tel:+86 532 85028817 Fax:+86 532 85026977 Web:www.china-onestop.com
Tel ：+86 532 85028817 Fax：+86 532 85026977
E-mail：info@china-onestop.com
Add：Hongkong Middle Road, Qingdao, China.
