... rail drilling machine, track lifting and lining machine, railway ballast tamper, railway bolt wrench, rail bender , rail gap adjuster, ... function, especially suitable for oil depot, flammable, explosive railway location operation.ISO9001:2000 quality system authentication unitSecond, the ... parameters:1, the biggest drilling diameter: φ 322, the profile size: LWH 650 x 75 x 10003, the machine quality ...