Nylon is widely used in metallurgy, mining, petroleum, chemical industry, coal, textile, paper, food, printing, fertilizer, construction, transportation and other industries, it can be said that nylon is widely used in a variety of machinery and equipment. Its advantages are wear resistance, fatigue resistance, impact resistance, long service life, self-lubrication, low noise, corrosion resistance, lighter weight than metal, easy replacement of machine parts, long life, less replacement times, low cost, easy turning of machine parts, low processing costs and other advantages.