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Why the world's best known brands choose the OU for Kosher certification

RZBC Co, Ltd.

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RZBC CO., LTD, located in Rizhao, China, is one of the leading manufacturer of citric acid and citrate in the world with a total production capacity of 180,000mt per year. We have the sole GMP production line and CNAL lab in citric acid field in China. More information is available at http://www.rzbc.com. And our contact is .