ZHM provides steel structure, cladding, insulation, gantries, doors,windows, ventilation.etc. The prefab house can save time and can be installed in ... pollutions.We produce and install different kinds of prefab house which has a good framework.They are safe, easy ... House Features: 1) Prefabricated and customized design 2) Low foundation cost, thanks to the light weight of the structure itself 3) ...