Using a variety of high-qualty plastic injection molding oricess,it suitable for mass production,low manufacturing cost.Self-lubricating performance can be maintenance-free oil-free,high carrying capacity,no bite shaft phenomenon,good corrosion resistance,low coefficient of friction comparde to metal-based bearings,light weight,low production costs,high producton efficiency.Widely used in motor vehicles industry,fax machines,copiers,food machinery,fitness machinery,chemical industry,etc.