Changfeng Chemical Co. is a leading manufacturer of high performance chemicals that use phosgene and aromatic amines as main intermediates. A major phosgene derivative production base, we share the largest capacity for phosgene production in China and offer a variety of products. We are proud to be the world's largest manufacturer of Benzophenone, production of which involves use of phosgene route methods imported from the United States in 1992, with a current annual capacity of 4000 metric ton...

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