Profile: Tianjin Zhongrui Pharmaceutical Co., Ltd manufactures raw pharmaceutical materials. We offer amlodipine benzenesulfonate, terazosin hydrochloride, vitamine E nicotinas, inositol nicotinate, nicotinamide and nicotinic acid. Nicotinic acid contains vitamin B. It can be used to prevent pellagra or other niacin defection disease. It is also used in medicine, feedstuff and electroplate field. Terazosin hydrochloride is used in the treatment of hypertension. It is also used to improve the urine condition of benign prostate hyperplasia suffer.