August 17-- Gansu Duyiwei Biological Pharmaceutical (002219.SZ) posted a 9.55-percent increase in net profit from the first half of 2011 to 31.58 million yuan, with earnings per share of 0.08 yuan, reports p5w.net, citing a company filing. Revenue rose 6.97 percent year-on-year to 146 million yuan during the reporting period.

Duyiwei Pharmaceutical predicts its net profit will change by between negative 5 percent to 10 percent to between 48-55 million yuan in the first three quarters this year.

Duyiwei Pharmaceutical is engaged in the research, development, manufacture and sale of traditional Chinese medicines. Its products are divided into four categories: analgesics and haemostatic drugs including Duyiwei Capsules, drugs for replenishing Qi, nourishing blood and tranquillization including Shenqi Wuweizi Tablets, cardiovascular drugs such as Maiping Tablets, as well as drugs for urinary and reproductive systems such as Qianlie Antong Tablets.