... .32Ra Wuxi YiJi is a professional grinding machine manufacturer in China. Specialized in this line for ... ; cylindrical; centerless; high precision; cnc grinding machine(spare parts).Our machies mainly apply for: inner ... bore and cylindrical grinding of plane, car, machine, electronic parts, sports equipments, sewing parts, shot ... surface roughness0.63Ra YiJi metal internal grinding machine (M2120A)