HearChem Co. Ltd is a private share-holding high-tech enterprise in Dalian. Our company has been committed to technical research and production in further manufacturing of Coal Tar since 2004, aiming at revitalizing the traditional methods by applying new technology. Our current services include: the traditional commercial production of Fluorene, 9-Fluorenone and 4,4'-(9-Fluorenylidene)diphenol; custom production of Fluorene and its derivatives; kilo-size sample research, development and produc...
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