Yuanda Chemical Co., Ltd of Nanchuan situated in chongqing nanchuan, We are a specialized gallnut extracts manufactory integrating research, development, production and marketing. We provide purified gallotannic acids, gallic acids and pyrogallic acids analogues which all derived from gallnut. The products are mainly used in food processing, pharmaceutical and other way. Our plant resources distribute broadly in Shanxi, Guizhou, Yunnan, Hunan and Hubei.
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