B1 grade fire-proof Pir sandwich panel

Duowei Union Group has been awarded with many high-level certificates such as State Qualification Class-A for Construction Engineering Design, Qualification Class A for Steel Structure Design, Qualification for Professional Manufacturing of Steel Structure, Quality Management System ISO 9001:2008, Environmental Management System GB/T 24001-2004/ISO14001:2004, Occupational Health and Safety Management System GB/T 28001-2011/OHSAS 18001:2007, FM Approval and GOST Certificate

As a leader in the industry for innovation, we have the capacity, technology and experience to ensure your next steel structure building to be an aesthetic and durable landmark.
Besides the total solution of steel structure, we also provide good quality of truss floor deck, PU sandwich panel, rock/glass wool sandwich panel, EPS sandwich panel, color steel corrugated sheet, c/z purlin and etc. Please kindly let us know which kind of materials you need and some basic project information so that we could advise with the suitable proposition and follow up with professional and dedicate service.