china factory Plastic Pulley V Belt Chain Block Alternator Wheels Timing Belt Sheave Equipment Cover Cast Iron System Rope Shoulder Garden Crankshaft Machine Tricep Pulley manufacturers

Item Description

               Plastic pulley v belt chain block alternator wheels timing                    belt sheave tools protect forged iron method rope                         shoulder garden crankshaft equipment tricep pulley

Fastened pulley: The shaft is set pulley. It can rotate, but can not go freely in any path.
china factory Plastic Pulley V Belt Chain Block Alternator Wheels Timing Belt Sheave Equipment Cover Cast Iron System Rope Shoulder Garden Crankshaft Machine Tricep Pulley manufacturers