... star-house.com.cnTele:+86-2168043173Mobile: +86-18018653688 Flat Pack Container House & Single Unit&SH1011) FLOORSteel frame made from cold ... rolled, welded steel profiles, steel quality:Q235A, 4mm thickness 4pcs corner casts, welded to the steel frame, steel quality: Q235A, ... , welded steel profiles, steel quality:SPHC, 3mm thickness 4pcs corner casts, welded to the steel frame, steel quality: Q235A, ...