China HanDan AoWei Chemical Industry Co., Ltd is the main system for rare earth hydrochloric multilevel method of separation, with a number of advanced extraction equipment, fully automatic temperature control of burning production lines, mainly have La, Ce, Pr, Nd, Y, Ga, Er, Sem, Eu, Gd series of products, Oxidation gallium, oxidation erbium, oxidation samarium, oxidation eu, oxidation gadolinium, polishing powder and so on. Enterprises adopt advanced international ion filtration equipment production industry-specific, chemical reagents grade, and rare earth salts -- lanthanum nitrate, cerous nitrate, yttrium nitrate, ammonium ceric nitrate, zirconium nitrate, zirconium oxynitrate, neodymium nitrate, praseodymium nitrate, with crystallization granularity homogeneous, low impurities, high solubility, high-purity, extremely easy to participate in the form of various material solution modified and doping, it is not only the best way that liquid - solid doped with form, but also a good way that liquid - liquid doped with form.