Users
cdcgrggg 0 Ads
Nylon is called Polyamide ( PA), nylon products are widely used, covering almost every field, is the most widely used variety of five engineering plastics, is one of the most important engineering plastics. At the same time, nylon filament have great…
cbies0325 0 Ads
Bearings are used to help reduce friction. Metal-upon-metal contact produces large amounts of friction. The friction adds to wear and tear of the metal, producing grinding that slowly degrades the metal. Bearings reduce friction by having the two…
