Shandong geneleuk biopharmaceutical Co., ltd of China is a sino-us joint venture involving in the area of R&D, manufacture and marketing of recombinant dna pharmaceuticals with registration capital of us$26millions and area of 28000m2. The major investors are jiufa corporation ltd. A listed company in Shanghai stock exchange, and genetech biomedical INC. A us high-tech company, who is responsible for the necessary technology and management.