General casting of motorcycle cylinder block 1.material:aluminum alloy ,iron, stainless steel 2.use: ... motorcycle driving system General casting of motorcycle cylinder block Precision motorcycle parts. 1.material:aluminum alloy ,iron, stainless ... CNC lathes,deburring,milling machine, polishing,CMM,spray paint,spectrometer test 6.high temperature treatment:har dening and tempering,high frequency ...