... machines,bending machines,welding machinies, lathes, plate shearing machine and so on .3.Meterial:carbon steel(CRS or HRS ... brass,aluminum,etc4.Finish:zinc/chrome/nickel plating,electrophoresis paint,powder coating ,anodize,etc5.Usage Industries:construction industry, automobile industry, ... components,such as crystalresonators,oscillators,OCXO,TCXO,VCXO,filters and so on.If you are using such products, ...