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A normal metaphor is petroleum is blood of industry, the rare earth element is vitamin of industry. Rare earth is brief of a group metal, including 17 elements of lanthanum, cerium, praseodymium in periodic table of (chemical) elements, it is applied in many fields like electrics, petrified, metallurgy inclusively. At intervals of three to five ...

Different type for polishign various kind of glass,diamond,jewelry

We have four types polishing powder for your choose. Details like below: From the application: XGY-557D: mainly used in the polishing of flat glass or optical glass or phone cover plate with

It is mainly used in fine polishing, such as plate glass, glass for mobile phone and wrist watch, the bevel edge, artificial jewelry.

It can be used as a kind of vapor deposition material for semiconductor coating. It also can make solid-state laser with variable wavelength, high definition TV gun, metal halide lamp etc.