... *Drilling machine *Forging machine*Assembling machine *Straightener Certification ISO9001:2000, BV (Pls see the photos in the following )Ability ... stairs ,bridge, exhibition hall, prefab house ,storage ,garage ,oil station , platform ,the other steel parts etc . Main ... ,galvanized steel parts etc .Quality standard *Certification : ISO9001:2000,BV,SGS *Code for design of steel structure :GB ...