... service Spur gearMaterials: stainless steel, carbon steel, cast iron, copper, brass etc.. Or selected by customers.Types: spur gears ... and pinion, inner gear, ring gear, stainless steel gears...Process: precision casting, CNC precision casting, precision machining, surface treatment... ... Garrison, large gantry machining centers, all-pervasive CNC machine tools and more than 80 precise parts making ...