上峰水泥(000672.SZ)：参股公司首次公开发行股票并在科创板上市申请获上交所受理

Core Viewpoint - The company, through its wholly-owned subsidiary Ningbo Shangrong Logistics, has established a private equity investment fund, Suzhou Puyun, which has invested in SJ Semiconductor Corporation, a leading global integrated circuit advanced packaging and testing enterprise, that has recently applied for an IPO on the Sci-Tech Innovation Board [1][2] Group 1: Company Investment - Ningbo Shangrong has invested 150 million yuan, holding a 67.72% stake in Suzhou Puyun [2] - Suzhou Puyun holds 17,454,646 shares of SJ Semiconductor, representing a 1.086% ownership before the current issuance [2] Group 2: SJ Semiconductor Overview - SJ Semiconductor specializes in advanced packaging and testing services, focusing on 12-inch silicon wafer processing and offering wafer-level packaging (WLP) and multi-chip integration packaging [1] - The company aims to support high-performance chips, particularly GPUs, CPUs, and AI chips, enhancing performance through heterogeneous integration beyond Moore's Law [1]