Certificates Of Qingdao Xinguangzheng Steel Structure Co., Ltd Qingdao Xinguangzheng Steel Structure Co., Ltd. is one of the leading steel structure building manufacturing factory in China working in the field of structural steel frame and prefabricated building,steel warehouse and steel workshop,poultry farm and equipment facilities with designing, fabrication and construction in one stop service.The factory is running under the certification of ISO 9001,and the steel structure products is certificated through CE,SGS and BV organization,and the third party is accepted for the goods inspection. |