Customized Prefabricated Steel Structure Building Warehouse with Sandwich Panel. Customized Material Options: Steel structure and sandwich panel materials are fully customizable to meet specific project needs. High Wind and Earthquake Resistance: Designed to resist heavy winds up to 120km/h and withstand 7-grade earthquakes. Long Service Life: Anti-rust painted steel structure ensures normal use for over 15 years without generating building waste. Eco-Friendly and Reusable: Made of environmental-friendly materials, capable of being assembled and disassembled up to six times. Fast Installation: A team of 6 people can install more than 300 square meters in a single day. Versatile Insulation Materials: Offers EPS, Rock Wool, or PU sandwich panels for superior heat and sound insulation. Comprehensive Certifications: ISO 9001 certified with Grade II Steel Structure Construction Qualification Certificate. Customizable Dimensions: Wall panel thickness available in 50, 75, 100, 125, and 150mm options.