... manufacturer for lots of pulleys, such as V belt pulley, 3V, 5V, 8V belt pulley and so on. Pilot bore, taper ... SPA, SPB, SPC SPZ), adjustable pulleys, multi wedge pulleys. V-belt pulley for bushing, with solid hubs. Standard sheaves, taper bushes ... Europe type sheaves. Taper bushings. Material: HT200,HT250,etc. Surface treatment: Black oxide, phosphate, painted or passavited. With standardized desigh ...