... machine;4)Shot blasting material before paint,Painting with synthetic prime paint,Painting with air pistol;5)Own ... being saw after being galvanized;7)Send pictures to the buyer by mail during products being ... car, the client can visit us easily.How to build a steel building?you should give us the following ... 820(820mm wide),2.sandwich panel with EPS,ROCK WOOL,PU etc, insulation thickness around 30 ~300mm, ...