... technology 3:Professional QG - 3 ii electric cutting rail machine QG - 3 ii electric cutting rail machine:1:ISO 90012:Advanced technology3 ... ballast tamper, railway bolt wrench, rail bender , rail gap adjuster, cutting disc, grinding stone, and etc .Since its foundation in 1992 ... (3080 r/min)2) specifications Φ 400 x Φ 32 x 43, cutting time 60 kg/m rail, acuities 120 s4, wafer grinding ...