PVPK30 (PVP) is an international advocate one of the three major pharmaceutical new excipients can be used as tablets, granules of the adhesive, injection of cosolvent, flow aid capsules, liquid preparations and the colorant dispersant , enzyme thermal stabilizers drugs, insoluble drugs precipitation agent, ophthalmic drugs to the agents and lubricants. Using PVP as there are hundreds of pharmaceutical excipients, pharmaceutical grade PVPK30 (Povidone K30) has been approved by the State Pharmaceutical Administration Department official listing.