... raising the production efficiency.2, Characteristic of Industry felt:The material of the felt is from ... mechanism,electronechanical,aviation,shipping,train,auto,metallurgy,chemical industry,textile industrySeal,dustproof,cushion,quakeproofHeat preservation,heatproof,sound ... petroleum,waterPolishing:marble,crystal,glass,jadeware,furniture,stainless steel plate company name:Nangong xingchen felt Co. ...