... steel parts selection,after investment precision casting, welding, and other automatic flash, produced by the process.The product performance, all at ... ,17.5-2.5,20.5-25,23.5-25,23.1-26,26.5-25,29.5-25,29.5-29,29.5-35,33.25-35,33.5-33,33.5-39,37.25 ... -35,37.5 ...