1. A standard container house packed in one flat pack, 4 sets combined into one package. It can be shipped on board just as one 20' shipping container, The package will be protected by plywood boards around and thin film wrapped. 2. Mixed packaging. Roof and chassis will be packed together with bolts; all the wall panels packed together with wooden pallet in the bottom, corrugated board on the surface, and XPS board in the interspace. It will be shipped in 40' container. Or as customers' request.