EXHIBIT 10.12 THIS CO-OPERATIVE RESEARCH AND DEVELOPMENT AGREEMENT ON RECOMBINANT THROMBOPOIETIN was made between Shenzhen Kelong Chuang Jiang Shiye Co. Ltd. Hereinafter called (Party A) Nanjing Huaxin Bio-pharmaceutical Ltd. Hereinafter called (Party...Co-Operative Research and Development Agreement • April 1st, 2002 • Dragon Pharmaceuticals Inc • Pharmaceutical preparations
