Qingdao Doublegrand Metal Products Co.,Ltd

Qingdao DoubleGrand Metal Products Co. Ltd specialized in various of steel structure building, jointly design, manufacture, export and erection of Industrial, Commercial and residential and Agriculture uses. We exported to more than 30 countries on 6 continents with well-established experience for more than 10 years.
SERVICE
Our goal is not only to provide high quality steel structure building, but also to maintain a personalized and professional relationship with each customer. No matter how big or small your requirement we will do our best to meet yo... [Details]