metal box for PCB Material:C.R.S. brass,iron,aluminium Finish: electrolysis,powder coating Size: as ... .Facility:stamping machines,automatic stamping machine,punching machines,bending machines,welding machinies, lathes, plate shearing machine and so on .3. ... and ISO9001 certificationWe are supplying kinds of case and base for electronic components,such as crystalresonators,oscillators,OCXO,TCXO,VCXO, ...