Hello, welcome to visit the website of Nanjing Chengyi Chemical Co., Ltd.!!We are a specialized production enterprise of oxalate series products.

          Nanjing CHENGYI Chemicals Co., Ltd.

          南京誠億化工有限公司

          Nanjing CHENGYI Chemicals Co., Ltd.

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          +86-25-57286088

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          Chengyi Chemical

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