Kaier nanopowder materials are (1) Carbides (SiC, TiC, B₄C, ZrC, NbC, TaC, Mo₂C, VC, TbC, ...), (2) Nitrides (Si₃N₄, TiN, AlN, BN, GaN, VN, W₂N, ZrN...), (3) Silicon, (4) the doped ones or off stoichemistric ones, (5) pre-dispersed ones, (6) premixed resin grain, (7) Surface modified, (8) Surface encapsulated with metal or oxide; The  particle sizes such as; APS 10-20nm, APS 30-50nm for Nitrides, APS 30-60nm, APS 80-100nm for Carbides; and The purities: 97%, 99% or higher. They are crystalline or amorphous particles or whisker.  There are standard products listed below for your options and the other special ones (*) mybe customized upon your request.