North Industries (SZ:000519) Xin Lang Cai Jing·2025-08-28 07:22Group 1 - The core viewpoint of the news is that Zhongbing Hongjian's stock has experienced a decline, with a cumulative drop of 5.5% over three consecutive days, currently trading at 20.95 yuan per share and a market capitalization of 29.174 billion yuan [1] - Zhongbing Hongjian Co., Ltd. specializes in the research, production, and sales of superhard materials, military products such as large-caliber shells, rockets, missiles, and civilian products including modified vehicles and automotive parts [1] - The company's main business revenue composition includes special equipment (53.87%), superhard materials and products (37.35%), automotive parts (5.73%), and special vehicles (3.05%) [1] Group 2 - Among the top ten circulating shareholders of Zhongbing Hongjian, a fund under Southern Fund has increased its holdings in the Southern CSI 500 ETF (510500) by 1.7335 million shares, now holding 12.3676 million shares, which accounts for 0.89% of the circulating shares [2] - The Southern CSI 500 ETF has reported a year-to-date return of 21.48% and a one-year return of 54.71%, ranking 1847 out of 4222 and 1463 out of 3776 respectively [2] - The fund manager of Southern CSI 500 ETF, Luo Wenjie, has a tenure of over 12 years, with the fund's total asset size at 138.999 billion yuan and a best return of 141.73% during his management [3]