... steel,aluminum,ect are available. 2.All kinds of surface are availiabe --polishing,zinc plating,nickel plating,chrome plating. ... the mechanical press 5T-40T,80T,125T,250T,hydraulic machine 315T, arc argon welding machines,CO2 protective welding machines ... ,spot-welding machines and supportive machines lathe,CO2bandsaw, drilling machines,milling machines.4 ...