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Group 1: Company Overview - Yuxin Co., Ltd. is a leading enterprise in the domestic optical communication chip sector, focusing on the research, design, and sales of optical communication front-end transceiver chips [2] - Nabai Chuan specializes in thermal management systems for new energy vehicles and has established itself as a key supplier for major manufacturers like CATL and Sungrow [4][5] - Yuanchuang Co., Ltd. is a prominent player in the rubber track industry, producing tracks for agricultural and engineering machinery [7] - Xihua Technology is a global leader in manufacturing specialized components for large high-end equipment, particularly in the wind power sector [9][10] - Tiansu Measurement is a national independent third-party measurement and testing service provider, offering calibration, testing, and certification services across various industries [12] Group 2: Financial Performance - Yuxin Co., Ltd. projected revenues for 2022, 2023, and 2024 are 339 million yuan, 313 million yuan, and 411 million yuan, respectively, with net profits of approximately 81.4 million yuan, 72.1 million yuan, and 77.9 million yuan [3] - Nabai Chuan's expected revenues for the same period are 1.031 billion yuan, 1.136 billion yuan, and 1.437 billion yuan, with net profits of 113 million yuan, 98 million yuan, and 95 million yuan [5] - Yuanchuang Co., Ltd. anticipates revenues of 1.261 billion yuan, 1.141 billion yuan, and 1.349 billion yuan, with net profits of 139 million yuan, 178 million yuan, and 155 million yuan [7] - Xihua Technology's projected revenues are 942 million yuan, 908 million yuan, and 955 million yuan, with net profits of 183 million yuan, 177 million yuan, and 142 million yuan [10] - Tiansu Measurement expects revenues of 597 million yuan, 726 million yuan, and 800 million yuan, with net profits of 84 million yuan, 101 million yuan, and 111 million yuan [13] Group 3: Investment Plans - Yuxin Co., Ltd. plans to invest raised funds into the development and industrialization of next-generation access network and high-speed data center chips, as well as vehicle-mounted chip projects [3] - Nabai Chuan intends to use its raised funds for the annual production project of 3.6 million sets of water-cooled plates and to supplement working capital [6] - Yuanchuang Co., Ltd. will invest in production base construction, technology center development, and working capital [8] - Xihua Technology aims to invest in the industrialization of core wind power equipment and the establishment of a research and development center [11] - Tiansu Measurement will allocate funds for enhancing measurement and testing capabilities, building regional laboratories, and developing a digital center [13]