1. Certificate: ISO 14001: 2004, ISO 9001: 2008 2. Features: Fast and flexible to assemble, secure and safe, thermal and noise insulation, water proof and fire prevention; 3. Cost-effective: A short work cycle design, can doulbe shorten the construction time: Completing 800 m2 of construction just in one day; 4. Low cost: Effectively improving the indoor space by applying steel structures, and can significantly reduce the load-bearings. While the cost is only 2/3 as the equivalent of civil engineerings; 5. Durability: The large-span arched roof does not need water and maintenance, which can be used for more than 50 years; 6. Perfect design: Construction arch span is up to 70 m, which is a very reasonable way to connect the edge, and completely avoids leaks and water seepage. Meanwhile, it's also in line with the national level of fire prevention; 7. Carrying capacity: Can withstand the impact of 160Km / h wind and strong seismic performance and bear 148 kg /m2 of snow; 8. The scope of applications: Widely applicable in kinds of industrial plants, shopping malls, exhibition halls, leisure buildings, warehouses, grain storages, sports venues, workshops, railway stations, the extension project, and roof construction, etc. Needing more steel structure products, pls contact us at your convenience.