... Center 4.Inspected by CMM 5.Smooth surface, Machined Sand casting pressure plate used for industrial clutch and brakes. ... manufacture with the assistance of computer and other material control equipments, which includes the raw material, production process control, ... iron, alloy ironAluminumASTM A356, A360, A380, ADC12 etc.1.Sand casting 20112.Gravity pouring,3.CNC, Machining Center4.Inspected by ...