... with rich experience. Our main products are: PPS, PTFE, P84, basalt, acrylic, FMS, PTFE, glass fiber, polyester and aramid fiber filter ... include needled felts and filter bags in PPS,PTFE,P84,basalt,PMMA.FMS,BMSF,METAMAX,glass fiber,terylene,aramid,PP; ... Product quality inspectionBoing has made good use of our perfect testing center to guarantee the steady of our production and quality through strict ...