At present, magnesium alloy is mainly used in cars, planes, 3 C (computers, cameras, digital ... green metal2.At present,magnesium alloy is mainly used in cars, planes, 3 C (computers, cameras, digital equipment ... etc.) And will be used in products gradually such as mobile phone, cars, and the plane shell and ... allowed deviation from flatOver (mm)Thru (mm)In any 300mmIn any 1500mmIn any 2000mm6.3250.125mm0 ...