Profile: Shanghai Amsheng Chemical Co., Ltd. manufactures specialty chemical, pharmaceutical intermediates and nutritional raw material. Fine chemicals include 1-(4-chlorobenzhydryl) piperazine, 1-boc-piperazine, 1-isopropylpiperazine, 1-methylpiperazine, 2,3-dichlorobenzaldehyde, 2,5-dimethylpyrrole and 2-fluoroanisole. Nutritional raw material include alpha lipoic acid, carboxylmethyl chitosan, fructus gardeniae extract, gynostemms extract, kudzu root extract and inositol nicotinate.