Zhitong Finance App News, Rundu Co., Ltd. (002923.SZ) issued an announcement. The company recently received the “Drug Registration Certificate” for isosorbide nitrate injection (specification 5ml: 5mg) issued by the State Drug Administration. This drug is suitable for the symptomatic treatment of unstable angina pectoris in combination with standard treatment, long-term treatment of vasospastic angina (variant angina); acute myocardial infarction; acute left heart failure (heart failure with reduced left ventricular function).