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Tianjin huachangxingye technology co.,ltd  drilling branch is a high-tech company specialezed in rotary piling tools, thenchless tools, oil drilling , geological drilling ,rotary drilling tools ,shield driving machinerys reseach ,manufacturing ,sales and cut rock Auger with collar plate,single cut rock auger,double cut Rock auger with collar plate,single cut Progressive auger,double cut Progressive auger,double cut Rock auger without central pilot,Brocas de perforacion,conical rock auger (conical bottom rock auger),Straight rock augers with center pilot,Double cut Rock Drilling Bucket,Double cut Drilling Bucket,Centrifugal Bucket,Conical Bottom Bucket,Flat Bottom Bucket,belling bucket,Double Bottom Bucket for Clay,Botes para Desazolve,single cut drilling bucket,double cut drilling bucket,single cut Drilling bucket with collar plate,single cut Rock drilling bucket with collar plate,double cut Rock drilling bucket with collar plate,Drilling bucket with progressive bottom gate,Rock drilling bucket with progressive bottom gate,single cut cleaning bucket,double cut cleaing bucket,Mechanical Diaphragm Wall Grabs,hydraulic diaphragm wall grabs ,Casing Oscillator(Hydraulic Casing Oscillator),Diaphragm Wall grab pully,hammer grab,Diaphragm Wall stop end elements,Diaphragm Wall grab head,diaphragm wall stop-end extractor,bentonite desander,Single wall casing,Double wall casing,Casing joints,cardan joint for rotary drilling rig ,bauer soilmec,CASING EXTRACTOR,CASINGS DRIVE ADAPTER WITH FLANGE LONG type,CASINGS DRIVE ADAPTER WITH FLANGE SHORT type,CASINGS DRIVE ADAPTER WITH KELLY BOX,CASINGS WITH KEY JOINTS,Casing Twister driven by machine rotary table,Casing Twister driven by the Kelly Bar,Hydraulic casing clamp,Mechanical casing clamp,single wall casing WITH KEY TYPE CONNECTION,Hexagonal joint Continuous Flight Auger rod,Flange type Continuous Flight Auger Rod,DTH hammer flight augers rod,CFA Auger Heads,Tri axial stir flight augers rod,Hexagonal coupling Female,soil mix tools auger head,Hexagonal Coupling auger head,flange coupling auger head,Kelly Bar Extension,kelly drive stub(kelly bar drive stub),Kelly box end and extension pipe,Kelly box adapterTriple head flight auger for soil mix wall triple-axis flight  auger for soil mix wallTriple axis contiunous flight auger for soil mix walltriple continuous flight auger used for soil mix  wallsoil mix tools Multi Shaft Auger used for soil mix wallbeco thread drill pipe adapter , beco thread drill pipe