建研院涨2.18%，成交额2675.68万元，主力资金净流入59.03万元

Group 1 - The stock price of Jianyan Institute increased by 2.18% on November 28, reaching 4.68 CNY per share, with a total market capitalization of 2.327 billion CNY [1] - Year-to-date, Jianyan Institute's stock price has risen by 22.35%, with a 6.12% increase over the last five trading days and a 1.08% increase over the last 20 days [1] - The company has been featured on the "Dragon and Tiger List" once this year, with a net purchase of 41.9185 million CNY on March 17 [1] Group 2 - Jianyan Institute, established on March 28, 1990, and listed on September 5, 2017, is located in Suzhou, Jiangsu Province, and its main business includes engineering design, testing, and consulting services [2] - The revenue composition of Jianyan Institute includes 71.20% from engineering testing, 10.28% from product sales, and 7.97% from engineering supervision [2] - As of September 30, the number of shareholders decreased by 11.33% to 21,800, while the average circulating shares per person increased by 12.77% to 22,828 shares [2] Group 3 - Jianyan Institute has distributed a total of 1.67 billion CNY in dividends since its A-share listing, with 55.7615 million CNY distributed over the past three years [3]