... .Inspected by CMM 5.Smooth surface,Ra1.0 Center Plate Sand casting used for industrial clutch and brakes. ... fittings, ring flange , electromagnetic steel cover, piston, pressure plate, center plate, wear plate, cylinder, impeller, disc etc.3. Nearly 150 ... Product performance;5. Advanced machining and inspecting equipment;6. Prompt Delivery;7. Quality control system;8. Service;9. Weekly report and all ...