1. exported to worldwide market 2.raw materials:42CrMo 3.certificate:ISO 9001:2000 4.blunt, wedge and moil Rock breaker tool We are specialized in manufacturing the Hydraulic Breaker Spare parts:such as the Hydraulic Breaker Chisel, Thrust& Outer Bush, through&side bolts, Stop&Rod pin,piston, and so on. rock breaker tools