Zheng Quan Zhi Xing·2025-08-04 00:10Group 1: Changhua Group - Changhua Group has successfully produced new iterative samples in planetary roller screw, with testing data meeting industry requirements, but the product is still in the R&D stage and has not generated revenue, indicating significant investment risk [1] - For carbon-ceramic brake disc metal structural components, the company will start supplying new energy vehicle manufacturers by the end of 2024, with an expected total sales amount exceeding 100 million yuan, indicating a broad market prospect [1] - As of July 2025, the company has announced new designated business worth 2.013 billion yuan, with ample orders and a significant increase in production capacity utilization [1] Group 2: Shijia Photon - Shijia Photon has made progress in multiple business segments, with the 800G/1.6T optical module MT-F products already in mass production, and the 1.6T optical module WG chips and components having completed R&D and verification [2] - The expansion plan for MPO products is progressing smoothly, focusing on factory planning, equipment installation, and personnel recruitment and training [2] - Inventory growth is due to strategic stocking of key raw materials, while capital expenditure has increased due to higher R&D investment, capacity expansion, and overseas layout, with plans for dynamic optimization of capital allocation in the future [2]