... appearance, low cost, no building garbage, easy installation and disassemble 1. Material for the main structure:A: The steel ... as per customers region climateD. Fireproof, soundproof, heat insultation and waterpoof as per customers demand.E. Earth resistance: Above ... switch, socket, control box, wiring etc.5. Accessories:Toilet and bathroom including ceramic water closet, shower head, sink, wash basin ...