Professional Light Weight Easy Assemble Prefabricated Modular Steel Structure Warehouse Building Product Features: Prefab steel structure warehouse is generally done with a series of steel structure, including steel columns, steel beams, purlin and so on. These main components constitute the load-bearing structure of the warehouse. Due to light weight and easy construction, there is a great demand for the structural steel warehouse. The steel strucutre is also the most cost-efficient building type for many projects. Qingdao Ruly Steel Engineering Co.,Ltd is a professional steel structure fabrication and construction company for light and heavy steel structure Design, Manufacture & Installation. Material list and technical parameters for steel structure components and accessory: Steel Frame H section steel Q235/Q345 steel plate thickness: 8-30mm Welding Automatic submerged arc welding Rust removal Sand blasting Surface finish Alkyd paint or galvanized Intensive bolt M20,Grade 10.9 Supporting System Angle brace L50x4,Steel Q235, processed and painted Horizontal brace Φ20, Steel Q235, processed and painted Column brance Φ20, Steel Q235, processed and painted Tie rod Φ89*3, Steel Q235, processed and painted Ordinary bolt M12 Galvanized bolt Roof Purlin C160*60*2.5,Steel Q235, galvanized and painted Roof panel Sandwich panel or corrugated steel sheet Accessories Glass cement, self-tapping screws, etc. Edge cover 0.4mm steel sheet profile trimming Gutter 0.4mm thick sheet steel profile or galvanized sheet Down pie Φ110PVC Walls Purlin C160*60*2.5,Steel Q235, painted Wall Sandwich panel or corrugated steel plate Accessories Glass cement, self-tapping screws, etc. Edge cover 0.4mm steel sheet profile trimming About our company,certifications and highlight projects: Qingdao Ruly Steel Engineering Co., Ltd is a professional steel structure fabrication and engineering company, located in Qingdao, China, which integrates steel structure design, research and development, manufacturing and installation. The project types include prefabricated steel workshop, warehouse, logistics park and other light steel structure of the civil building system, high-rise residential buildings, exhibition center, stadium, airport station and bridge, Power plant, chemical plant, oil and gas, mining,etc. Our company's steel structure processing plant now covers an area of 35,000 square meters, plant20,000 square meters. More than 100 employees. The monthly production capacity for steel structure is more than 1500 Tons. Our steel structure componetns include light/heavy H steel ,BOX steel,Cross shaped section steel, large diameter submerged arc straight-weld pipe,steel model structure, C/Z purlin and machining fitting components . There are three subordinate steel structure companies, which have passed and strictly implemented ISO9001:2008 quality management system, ISO14001:2004 environmental system, GB/T28001:2001 occupational health system, and obtained ASTM certification in the United States, and international SGS product certification. Obtained the right of export, design, installation and consultation from the ministry of foreign trade and economic cooperation. Quality first, Technology ahead ,Innovation continually is our entrepreneurial concept. We build strong relationships of trust with our clients, truly understanding their needs and bringing them the most reasonable solutions. Our steel structure fabricaiton factory: Installation: Method 1: We provide shop drawing before installation. Method 2: If you still don't know how to install, We will teach you the installation in our factory. when necessary , we will assemble a sample steel structure building for yo