Nanjing Red Sun Co.Ltd(000525) ( Nanjing Red Sun Co.Ltd(000525) ) disclosed the first quarterly report on April 29. In the first quarter, the operating revenue was 1.528 billion yuan, a year-on-year increase of 77.57%; The net profit was 306 million yuan, a year-on-year increase of 128289%; The basic earnings per share is 0.53 yuan.