carrier roller ass'y

we have track roller, top roller, carrier roller, idler, track shoe assay’, track shoe plant, bolt nut, whole under carrier parts , edge cutter, bit, and engine parts for bulldozer, excavator, pipe layer as the following brand:
SHANTUI Bulldozer: SD08, SD11, SD13, SD16, SD22, SD23, SD32, SD42
                             TY130 TY160 TY220 TY230 TY320
KOMATSU Bulldozer: D50, D60, D65, D85-18, D85-21, D155, D355-1
KOMATSU Excavator: PC60, PC130, PC200, PC220, PC300, PC360, PC400
HBXG (SHEHWA): SD6 SD7 SD8 SD9 T140 T165 TY165
PENGPU: PD140, PD160, PD165, PD185, PD220, PD320, PD410
CAT: D6D, Dvalue="7" unitname="g">7G, D10N, 320B
DAIFENG (pipe layer): DGY15, DGY20, DGY25, DGY40, DGY55, DGY70, DGY90
SHANTUI (pipe layer) SP100Y, SP75Y, SP45Y, SP25Y
PIPE LINE MAN: PMG90, PMG70, PMG40, PMGY30 , PMG20
ENGINE:    CUMMINS, WEICHAI, and SHANGCHAI