... 2.Gravity pouring, 3.CNC, Machining Center 4.Inspected by CMM 5.Smooth surface,Ra1.0 Center Plate Sand casting used for ... -1362;2. Sand casting,Resin sand casting;3. Machined with CNC and Machining center4. Smooth surface. Ra1.05. Tolerances: Within ... Railway fittings, ring flange , electromagnetic steel cover, piston, pressure plate, center plate, wear plate, cylinder, impeller, disc etc.3. Nearly 150 ...