Guangzhou Topwork Chemical Co.,Ltd.

 Jiurui Biochemistry Co., Ltd/AoWei Science and Technology Co., Ltd./Guangzhou Topwork Chemical Co., Ltd., which is the biggest leading enterprise in China regarding the depth processing of Chinese gallnuts.
Our company has the capability in producing Chinese gallnut raw materials, which are widely used in medical, chemical, food, printing & dyeing, astronavigation and national defense and micro-electronics areas, Also the final goods usually exported to the US,Japan, EU and the Southeast Asia etc. 
Our strong products are:Tannic Acid(Pharmaceutical/Tech/Dyes/Food Grade),Gallic acid(3,4,5-Trihydroxybenzoic acid),Pyrogallic Acid(1,2,3-Benzenetriol),Ethyl gallate, Progyl Gallate, n-Octyl gallate,3,4,5-Trimethoxybenzaldehyde,Methyl 3,4,5-trimethoxybenzoate and so on. [Details]