China Biologic Products Inc., of Beijing, said it completed the repurchase of 2.5 million shares of common stock for $70 million. The company announced in January that it had entered a repurchase agreement with Siu Ling Chan, an individual shareholder of the company, and her spouse Tung Lam, to repurchase 2.5 million shares of its common stock, representing approximately 9.67 percent of the total common stock outstanding on Jan. 27.