1. adequate chisel in stock 2.excellent process technic Thrust & Outer bush Mainly manufacture 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, STANELYetc. Thrust & Outer bush