... Thickness(mm):any thickness Qingdao Wefsun Metal Material Co., Ltd. located in the beautiful Jiaodong peninsula east to ... Co., Ltd, Qingdao Sanshan Metal Material Co., Ltd, Qingdao Kaimingyuan International Trading Co., Ltd, Qingdao Wofeiteng Steel Pipe Co., Ltd and Qingdao Woming Steel Pipe Co.,Ltd, ... in many types of steel products include steel pipe/tube, angle/U-channel steel, hot/cold rolled ...