Xiangxi Autonomous Prefecture Prospering Mining Co., Ltd. is established since 2007's, we are one of the biggest special manufacturer in china.We mainly product Vanadium Pentoxide and Ammonium Metavanadate.Futhermore, based on our strict quality control system, first-rate testing and analytical methods and modern management, we have been granted ISO9001 quality system certification. As a result, our products have gained a strong reputation for quality and reliability.we are looking fowarding to hearing from you .we will supply our product to you as soon as possible.