Origin:Henan China Weight (KG):3500 KG Video Factory Inspection:Available Mechanical Test Report:Available Core Component:Other Working Time:50000 hours or more Product Description The use of double-winged telescopic structures gives them a unique appearance and spatial layout. The Dual Wing Retractable Structure increases the available interior space of the home creating more living space and can be quickly assembled and disassembled for easy relocation to different locations. Whether it's for outdoor adventure camping or emergency rescue the Dual Wing Expansion House provides a convenient living solution.