... nickel plating,chrome plating. 3.Machines type --We have most of the necessary machines for sheet metalworking process , ... arc argon welding machines,CO2 protective welding machines,spot-welding machines and supportive machines lathe,CO2bandsaw, drilling machines,milling machines.4.Very high ... parts, deep drawn stamping parts, stamping parts assembly and welded parts assembly,etc. * Pls send me the ...