1.42CrMo with well performance 2.ISO9001:2008 certificate Hydraulic breaker chisel We are specialized in manufacturing the Hydraulic Breaker Spare parts:such as the Hydraulic Breaker Chisel, Outer-shell, Thrust Bush, Out Bush, Stop pin, Rod pin and so on. Our products can match for the breaker of HANWOO,SOOSAN,NPK,KRUPP,FURUKAWA, DAEMO,TOKU ,TOYO,MONTABERT, KOMATSU,GENERAL, ATLAS COPCO, MSB, ...