... done through the needle, the general width of 1-4 meters and a length of 30-50 meters. 1: sub- ... purple, brown and a variety of mixed colors. Fiber color determines the fineness of cloth felt the effect. Felt widely ... , gasket, and spring steel wire cloth at the end of the needle felt material; 2, felt stable in structure ... In particular, polishing, sealing, insulation, oil, the effect of highlighting.