Certification::ceproduct description hydraulic breaker main body inner construction, soosan sb series how to choose the most suitable hydraulic hammer ? detailed images cylinder forged cylinder: 20crmo, forged; front & back head: 20crmo, forged; hardness: hrc 59-62; heat treatment all raw material need heat treament, higher hardness, less broken forged bushes semi-automatic pet bottle blowing machine bottle making machine bottle moulding machine piston heat treatment sb10-sb50, 40crnimoa sb60-sb121, gcr15 sb131, sb151, 30g,40g, 616v polishing polishing tolerance: 0.015mm; grinding machine: import from korea, and japan, cnc type worker experience: 10years. seal kit nok brand or parker brand the seal kit in hammer is the same tiwh the seal kit in tool box. machining 35 uints , cnc machining center imported from korea and japan. inspection. all inspection equipments imported from japan. team happ work, with woderful team work. customer comments other products for your reference side hydraulic breaker top/open hydraulic breaker box/silence hydraulic breaker backhoe hydraulic breaker . skid-steer hydraulic breaker post driver hydraulic breaker hydraulic compactor hydraulic grab quick hitch if you want to know about other products, you can click on the picture above. back to homepage inquire now! company introduction located in yantai, shandong province, established in 2009, yantai jiwei construction machinery equipment co.,ltd registered hmb brand in 2011. we started to develop oversea market in 2013.with 12 years experience, specialized in manufacturing hydraulic breakers, quick couplers, excavator palte compactors, earth augers and spare parts. our own brand "hmb" hydraulic breakers have full series and are compatible to all brands' excavators. exhibition show fqa q: are you a manufacturer? a: yes,our factory was established in 2010. q: are you sure your product will fit my excavator? a: our equipments are suitable for most excavators. show us your excavator model, we'll confirm the solution. q: how about your products warranty? a: 12 months warranty for hydraulic breaker, beyond the warranty period. q: can you produce according to customers' design? a: sure, oem/odm service available. we are professional manufacturer in yantai. q: what's the moq and payment terms? a: moq is 1set. payment via t/t,l/c, western union accepted, other terms can be negotiated. q: how about delivery time? a: 5-25 work days after the payment. q: how about the package? a: our equipments wrapped by stretch film, packed by pallet or polywood case; or as requested. q: which country have you exported? a: saudi arabia, america, thailand, cyprus, india, canada, australia, peru, egypt, brazil, mexico, south africa, etc. sb131 chisel 165mm top type nitrogen hydraulic rock hammer breaker for 30-40 ton excavator