Acupuncture felt with: polishing, filtration, sealing, liner, insulation, shock, damping, oil protection, insulation, heat insulation and so on. Acupuncture felt products are widely used: machinery, military, metallurgy, mining, forestry, textile, electrical and mechanical, communications, instrumentation, transportation, aviation, shipbuilding, machinery, electronics, home appliances, machinery and electrical, hardware, furniture, rubber and other industries Product surface treatment.