... :powder coat,polish,zinc plated,acid pickling light galvanized u frame steel beams1.Strictly quality control by 100% inspection2.Small quantity ... , e-coat, polishing,chrome plated,nickel platedAdvanced equipments2000T hydraulic press machine,1600T hydraulic press machine, CNC machinery center, CNC laser-cut machine ... cutting machine, rolling machine and so on. light galvanized u frame steel beams