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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 raw material of tantalum, as the catalyst in chemical industry, also used in the electronics industry. 

It is mainly used in spectral analysis reagent, high purity analytical reagent, varistor, thermistor, zinc oxide lightning arrester and picture tube.