Durable light steel house 1. Flexible design and layout 2. Easy assembly and diassembly ,low cost. 3. No brings up ... (4) Corridor Area = House Length X Corridor Width(5) Total Area = (1) + (2) + (3) + (4) + (5) Prominent advantages:1, Light weight, easy ... to transport and install.2, Low price, well-adapted to different project.3, Easy and ...