Powerlong precision machinery specializes in the production of drawn cup needle roller clutch and all kinds of needle roller bearings and cage components, with many years of production experience, our production of one-way bearings with high torque, low noise, long life and other characteristics, widely used in toys, fitness equipment, office equipment, fishing tackle and other industries. Our K series needle roller bearings are widely used in industrial sewing machines, computer embroidery machines, chainsaws, lawn mowers, robots and auto parts. At the same time, we can customize non-standard size products according to customer needs to meet the special needs of end customers.