stainless steel cnc drilling parts: ~stainless steel,aluminum ~tolerance:+/-0.002mm ~CNC,turning lathe ~ISO9001:2008 1.The advantages compared with other suppliers ~more than 7 years production experience ~sixty professional technicians ~ISO 9001:2008 certificate ~Advanced equipment(CNC lathe, turning lathe, wire EDM, griding machine etc) ~Various materials(stainless steel, aluminum, iron, steel ...