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[ Trader ]Main business are Artificial cryolite
[ Manufacturer Trader ]Main business are Luminescent material
[ Manufacturer Trader ]Main business are Chemical reagent, Chemical material.
[ Manufacturer ]Main business are Crystal material device and technology used in fields of optical fiber communication, Mobile communication, Display, etc.
[ Manufacturer ]Main business are Synthetic chemicals
[ Manufacturer ]Main business are Chemicals
[ Manufacturer Trader ]Main business are Optical instrument
[ Manufacturer ]Main business are Film-coating material
[ Manufacturer ]Main business are Optical film plating material
[ Manufacturer Trader ]Main business are High-purity calcium fluoride