• XI'AN REFRA TUNGSTEN & MOLYBDENUM CO.,LTD

    sub-po box 16, po box 71, Baoji, Shaanxi, China,721014

    Northwest Institute for Nonferrous Metal Research(NIN) is Located at 6 districts in 2 cities ( Xian and Baoji ), it the key national base research of rare metal materials an important center professional technology development China. proponent National ...