ND-4 gasoline Tamping pick: 1:ISO9001 2:CRCC 3:PATENT Detail information:a. ... 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 .Since its foundation in 1992, has provided professional quality ... ming. total weight: 13.6kg ND-4 gasoline Tamping pick