Plastic PVDF Pall Ring, mass transfer , Manufacturer Supplier of Top Quality for export. We are manufacturer located in Pingxiang, Jiangxi China. Our Plastic Random Packing products with Top Quality for export. Other materials available: PP, RPP, PE, PTFE, CPVC, ETFE, PFA, HDPE, PVDF, etc. PVDF material as following. This the size for 25mm.