weifang bangde special materials co. ltd is a high- tech corporation that is specialized in producing inorganic non- ferror materials( BN) and products. The main products include the HBN powder, TIB2 powder and super fine sic powder. The high purity hbn powder had been passed the experts' appraisal in 2002. At the meantime we also studied and developed the tibz powder. Our products have been sold in other countries and regeions such as Germany, South Korea and Japan etc.