Tailong Pharmaceutical Co., Ltd. (600222): The concentrated Shuanghuanglian oral liquid produced by Tailong Pharmaceutical Co., Ltd. has been listed as one of the reserved products for the prevention and treatment of influenza A1N1.At present, the company is adjusting its production plan, and expanding the procurement and reserve of raw materials to ensure the adequate supply of Shuanghuanglian oral liquid preparations. In the secondary market, as a flu concept stock, the unit can pay attention to thematic investment opportunities.