... : carbon steel, stainless steel,,copper, brass, Aluminum alloy or as per customers' request 4.Surface treatment:zinc/nickel/chrome plating,hot ... machining, drilling,powder coating,pressing part, polish,etc. Item Namehardware tool boxProduct description1)Material:SPCC CRS or according to your requirement ... , CNC machining,drilling,powder coating,pressing part,polish,etc. hardware tool box