... variours railway maintenance equipments in China.. Products include rail cutter, rail grinder, rail drilling machine, track lifting and lining machine, ... railway ballast tamper, railway bolt wrench, rail bender , rail gap adjuster, cutting disc, grinding stone, and etc ... (50kg/m\60kg/m rail); 370mm(75kg/m rail)5. locking way: slanting iron clamps rail waist6. weight of unit: ≤370kg