we produce hydraulic breaker and all its spare parts,such as Rod pin and stop pin,Through bolt and side bolt,bushings,oil seal,hydraulic breaker cylinder,and piston,we can make out new models under buyer's specification.we use specific alloy steel material,super heat deal technology,step quenching makes the products wear resistant.it has won more and more buyer's love.In additional,we can make out new types under buyer?s specification,you only need to give us the artwork,we will take settlement.If you are interested in our products ,please don't heasitate to contract with me.