... Qingdao Wefsun Metal Material Co., Ltd. located in the beautiful Jiaodong peninsula east to Qingdao city of Shandong province, which was established ... Material 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,were ... cooperate with each other to create a better future! I beam