... ,nickel plating,chrome plating. 3.Machines type --We have most of the necessary machines for sheet metalworking process , such ... argon welding machines,CO2 protective welding machines,spot-welding machines and supportive machines lathe,CO2bandsaw, drilling machines,milling machines.4.Very high production rateOur ... best price . sheet fabrication stamping parts,metal high quality press punching parts