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. SERVICEOur 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 your demand. One stop service from design, manufacture, deliver to installation and after-service. We can manufacture strictly according to your drawings and request. We can design ourself to supply you a most suitable proposal to you. QUALITYRaw material reserves: Steel bought from major steel millFull and advanced equipment: CNC laser cutting machine, vertical machining centers, CNC bending machines, Nc drilling machine CNC continuous m... [View More..]