Hunan Linong Technology and Trade Co., Ltd. established in July, 2007, with registered capital of 8.58 million yuan is a private joint-stock enterprise. The company covers an area of 20mu, building area of 3200 square meters and has 75 staff including 12 technicists. We are mainly engaged in R&D of tannic acid, gallic acid, benzoic acid, pyrogallic acid and other gallnut products. Gallnut can be made into tannic acid, gallic acid, benzoic acid, pyrogallic acid by hydrolysis acidification. The p...

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