Shaanxi Dingxin Mining Co. ,Ltd. is specialized in the manufacture and export of vanadium chemicals in China. We can provide high quality vanadium pentoxide（98%，99%，99. 5%,99. 8%,99. 9%,etc. ）， and ammonium metavanadate. Since our good quality, reasonable price and considerate service, we enjoy high reputation in the global market. We sincerely hope to could cooperate with you!