Pilot bore, taper bore Pulleys(SPA, SPB, SPC, SPZ), adjustable pulleys, multi wedge pulleys. V-belt pulley for taper bush, with solid hubs. Standard sheaves, taper bushes sheaves, AK, BK series sheaves. Variable pith sheaves, Europe type sheaves. Taper bushings. 
2, Material: 45C. GG25, GGG40, Aluminium, etc.

Surface treatment: Black oxide, phosphate, painted or passavited, zinc plateing for C45 pulleys, anodized for Al pulleys
4, With standardized desigh and well equipped CNC machining Systems. Our pulleys have high Precision and good interchangeability. And now our products are mainly export to European and American countries.