... with synthetic prime paint,Painting with air pistol;5)Own the hot dip galvanize zinc pool ourself ... being saw after being galvanized;7)Send pictures to the buyer by mail during products being processed ... by car, the client can visit us easily.How to build a steel building?you should give us the following ... load (KG/M2) if have4.earthquake load if have 5.crane (if have), lift height, lift capacity, ...