... Inspected by CMM 5. Ra1.0, Polish Ra0.4 Piston casting used for industrial clutch and brakes.1. Material ... Template parts, Railway fittings, ring flange , electromagnetic steel cover, piston, pressure plate, center plate, wear plate, cylinder, impeller, disc ... 2. All machined parts inspected by CMM.3. Third part inspection available upon requirement. OurCompetitiveAdvantages1. Stable process;2. ...