NEWS

It is mainly used in making for the incandescent gas mantle,color-TV phosphor,magnetic materials additive,also used in atomic energy industry etc.

It's mainly used in electronics industry or scientific research, also used to make laser materials, luminescent materials and electronic materials etc. 

It's white powder , insoluble in water , soluble in acids . It mainly used in electronics industries and scientific research etc.

It's offwhite powder, insoluble in water, soluble in hot sulfuric acids. Easy to absorb moisture from air. Relative density: 8.6g/cm3. Melting point:2392℃.It mainly used as make portable X-ra

It's pink powder , insoluble in water , soluble in acids. It's mainly used to additive of yttrium iron garnet , glass colorant and the control materials of nuclear reactor , also used to make