Aowei Science And Technology Co.,Ltd.

We are highly technical company in hunan province as well as the largest corporation on deep-processing of gallnut in China. We pass an ISO 9001:2008 quality system certificate. Take advantage of local abundant resource—gallnut, produce Gallic acid, Tannic acid, Propyl gallate, 3,4,5-Trimethoxy benzoic acid, Pyrogallol as well as tens of decurrent … More