... Machine OEM Coustom Sound Console Sheet Metal Fabrication Feature:1.Equipment: We own various kinds of machines to engage ... silkscreening,welding,progression die,grinding,riveting,etc.2.Material: stainless steel, brass, copper, aluminum, iron(SGCC,SPCC, ... assurance in accordance with ISO9001:2000.6. Industries:Funiture hardware, electronic hardware,industry control equipment,metal processing machinery ...