Phenanthrenequinone

Ruiyuan Group Limited is engaged in the manufacture of Catalysts, Intermediates and Natural Ingredients. We are an ISO 9000:2000, cGMP, Halal and HACCP certified company.

We develop, manufacture and distribute specialty niche chemicals, including Norbornene, Phosphines, Fluorene Derivative, Metal Catalysts Organic Synthesis, Drug & chemical product research for multi-industrial & pharmaceutical applications.

We have researched and developed dozens of noble metal catalysts, mainly including plati...

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