Aovis is a one-stop solution provider for advanced materials with its head office in HongKong, factory in Shandong and Ganzhou .We're specialized in this area for over 10 year. Our factory has a landcover over 25,000 square meters , 300 employess, 2 labs , 1 testing center and 4 working shops equipped with advanced production equipments and experienced engineers and works . A complete set of imported analysis device together with the modern production lines provide a reliable guarantee for quality of rare earth materials we sell .The products we supply including rare earth oxides, fluorides, nitrates, sulfates, metals & alloys with purity 99-99.999 %. F...