Shanghai Wei Zhi Pharmaceutical Technology Co., Ltd., Shandong Wei Zhi Pharmaceutical Industry Co., Ltd., Wei Zhi Pharmaceutical Co., Ltd. Jining Branch, etc. The cooperative enterprises of Wei Zhi Pharmaceutical include: Shanghai Wei Zhi Pharmaceutical Technology Co., Ltd., which was established in Shanghai in June 2006, with a laboratory area of 1.500 square meters; Shandong Wei Zhi Pharmaceutical Industry Co., Ltd. was established in Tengzhou City, Shandong Province on May 20 10 with a total investment of 50 million US dollars. The first phase covers an area of 7.7 hectares. Jining Branch of Wei Zhi Pharmaceutical Co., Ltd. was established in Jining, Shandong Province in May, 20 1 1. These companies have economic contacts with Wei Zhi Pharmaceutical and belong to the cooperative enterprises of Wei Zhi Pharmaceutical.