KINGFA(SH:600143) Xin Lang Cai Jing·2025-09-05 06:20Group 1 - The core viewpoint of the news is that Jinfa Technology's stock has seen a significant increase, with a rise of 5.03% to 17.33 yuan per share, and a trading volume of 4.139 billion yuan, indicating strong market interest [1] - Jinfa Technology, established on May 26, 1993, and listed on June 23, 2004, specializes in the research, production, and sales of new chemical materials, with its main revenue sources being modified plastics (52.07%), trading products (20.65%), green petrochemical products (18.85%), new materials (6.29%), medical health products (1.48%), and others (0.66%) [1] Group 2 - Longxin Fund has a significant holding in Jinfa Technology, with its Longxin CSI 500 Index A fund (004945) holding 236,000 shares, representing 1.35% of the fund's net value, making it the tenth largest holding [2] - The Longxin CSI 500 Index A fund has a total scale of 168 million yuan and has achieved a year-to-date return of 22.42%, ranking 1443 out of 4222 in its category, and a one-year return of 50.53%, ranking 1503 out of 3795 [2]