... 4.Surface treatment:zinc/nickel/chrome plating,hot galvanized,powder coating,electrophoresis, etc 5.Metal processing:stamping ,deep ... and bending, CNC machining, drilling,powder coating,pressing part, polish,etc. Item Namehardware tool boxProduct description1)Material:SPCC CRS or ... ,punching, folding and bending, CNC machining,drilling,powder coating,pressing part,polish,etc. hardware tool box