Zunyi Shi beiyuan chemical engineering Co.LTD., established in October 2006, is located in Shawan Town,  Zunyi, Guizhou, China. we are  a high-tech and intellectual property advantage cultivation enterprise integrating independent scientific research, production, management, and foreign trade.Our company covers an area of more than 22000 square meters, now have a staff of 24 people, and owns 180 sets of production line and equipment of gallic acid, pyrogallic acid, fine chemical synthesi...

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Gallnut Tannic acid Gallic Acid Pyrogallol Propyl gallate Ultraviolet absorbent UV-1

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Time: 2021-11-05 CPhi & P-MEC China 2021 December 16-18, 2021 Shangh → Time: 2021-01-09 Zunyi City Beiyuan Chemical Co., Ltd. Beiyuan Chemical ... → Time: 2020-12-04 Notice of Participation in the 20th World Pharmaceutica →