TJKJ(SH:600846) Xin Lang Cai Jing·2025-10-22 05:43Group 1 - The core point of the article highlights the recent decline in the stock price of Tongji Science and Technology, which fell by 5% to 13.86 CNY per share, with a trading volume of 93.45 million CNY and a turnover rate of 1.06%, resulting in a total market capitalization of 8.659 billion CNY [1] - Tongji Science and Technology, established on June 11, 1993, and listed on March 11, 1994, is primarily engaged in engineering consulting services, environmental engineering technology services, investment construction, technology park construction and management, building engineering management, and real estate development [1] - The revenue composition of Tongji Science and Technology includes 86.88% from engineering construction and consulting services, 10.21% from environmental engineering and environmental protection operations, 2.57% from real estate income (residential development), and 0.34% from other sources [1] Group 2 - Among the top circulating shareholders of Tongji Science and Technology, a fund under Huatai-PineBridge Fund ranks first, with the China Securities Shanghai State-Owned Enterprise ETF (510810) newly entering the top ten circulating shareholders in the second quarter, holding 4.1373 million shares, which accounts for 0.66% of the circulating shares [2] - The China Securities Shanghai State-Owned Enterprise ETF (510810) was established on July 28, 2016, with a latest scale of 7.942 billion CNY, achieving a year-to-date return of 10.36% and a one-year return of 20.89% [2]