... ,SB &others. 3.material: NBR , Silicon, VITON, PU ,and others . 1.item: oil seal .2.model :TC ,TB,TA ,DC,SC,SB &others ... .3.material: NBR , Silicon, VITON, PU ,and others .4.color ... & special size .7.Application : automobile &industry.8.We can design and produce according to clients' samples or drawing pictures. Oil seal