Group 1 - The core point of the news is that Shenzhen Kexin New Materials Co., Ltd. experienced a stock decline of 5.01%, with a current share price of 45.70 yuan and a total market capitalization of 5.778 billion yuan [1] - The company specializes in the research, production, and sales of high-performance special rubber sealing materials, providing comprehensive solutions for waterproofing, insulation, fireproofing, and sealing [1] - The revenue composition of the company's main business includes: 56.03% from heat dissipation metal structural parts, 16.51% from automotive sealing strips, 13.65% from insulation and fireproof materials, 10.82% from waterproof sealing materials, and 2.98% from other products [1] Group 2 - Dongwu Fund has one fund heavily invested in Kexin New Materials, specifically the Dongwu Double Triangle Stock A (005209), which holds 79,000 shares, accounting for 3.74% of the fund's net value [2] - The fund has reported a floating loss of approximately 190,400 yuan as of the latest data [2] - The fund manager, Chen Weibin, has been in position for 261 days, with the fund's total asset size at 93.409 million yuan [3]