... type:fiber glass,ptfe,pps,p84,polyester,etc glass fiber dust collector bag Yingkou Hongyuan Fiberglass Technology Co., Ltd. Manufacture ... cement industry,stell industry,chemical industry,power plant,etc.Our dust collector filter bags are available in different shapes and ... Graphite,silicone AR:acid-resistant PI:PTFE,Graphite,silicone abti-friction PD:graphite and others PG:PTFE,graphite Do you need ...