Shanghai oke machinery co.,ltd. local in Shanghai of China. is committed to offer couplings,taper lock pulley,Synchronous pulley, taper lock bush,sprockets,Chain,bearings,weld on hub,motor base,moto slide rail and special parts etc. Welcome to visit our web: www.okemachinery.com. We export our products to Europe,America,Asia,south africa,and Austria for many years. Our team sincerely hope to serve for you.