全球研发中心城市建设以来，新增各类研发机构1796家，总数达3823家，基本实现翻番。长沙正加速融 入全球创新网络。 攻坚克难，关键核心技术突破引领产业升级 过去五年，长沙关键核心技术攻关成果丰硕。长沙围绕国家重大战略需求和产业发展需要，构建自然科 学基金、科技重大专项、揭榜挂帅项目等构成的梯度分明、目标明确、衔接紧密的技术攻关体系，突破 产业关键技术400余项，其中领跑全球和自主可控技术超60项。 关键核心技术频频突破引领产业升级，省农科院选育出首个通过国家审定的镉低积累水稻品种"西子3 号"和首个大面积应用的镉低积累水稻品种"臻两优8612"，破解"镉大米"世界性难题。中电48所成功研 发8英寸碳化硅外延设备，推动我国第三代半导体制造装备迈入"8英寸时代"。铁建重工研制全球直径最 大、承载最高的整体式盾构主轴承，填补国产超大直径产品空白，跻身全球第一梯队。科技创新引领产 业创新，进一步巩固工程机械、种业、信息技术、新材料等优势领域领先地位，抢先布局人工智能等新 兴产业和未来产业。 转化增效，技术合同成交额占GDP比重上升至8.97% "1+2"国家实验室体系加速构建，省"4+4"科创工程在长项目产出100 ...

"长沙'十四五'答卷"系列主题新闻发布会推动经济高质量发展专场。 付敬懿 摄 长沙"十四五"经济答卷：GDP年均增长5.4% 达中等发达经济体门槛 中新网长沙12月3日电 (付敬懿)"长沙'十四五'答卷"系列主题新闻发布会推动经济高质量发展专场3日举 行。会上透露，2024年长沙地区生产总值达15268.78亿元，前四年年均增长5.4%，人均地区生产总值达 14.45万元，按年平均汇率折算已突破2万美元大关，达到中等发达经济体门槛水平。 坚持协调联动，长沙构筑高质量发展均衡格局，以"双五"工程为引领，不断优化城市功能布局，城市综 合承载力和辐射带动力持续增强。黄花机场迈入"三跑道、三航站楼"时代，高铁迎来"双核驱动时代"， 地铁驶入"网络化时代"，电网进入"特高压时代"，2024年常住人口达1061.65万人，特大型城市发展框 架全面拉开。(完) 来源：中国新闻网 编辑：付健青 广告等商务合作，请点击这里 本文为转载内容，授权事宜请联系原著作权人 中新经纬版权所有，未经书面授权，任何单位及个人不得转载、摘编或以其它方式使用。 关注中新经纬微信公众号(微信搜索"中新经纬"或"jwview")，看更多精彩财经资讯 ...

Group 1: Silicon Carbide Substrate Development - Silicon carbide (SiC) is a key material for third-generation semiconductors, widely used in electric vehicles, smart grids, and 5G communications [2] - The company has launched its first 12-inch SiC substrate pilot line, achieving 100% domestic equipment development, marking a significant advancement in SiC substrate technology [3] - The company plans to accelerate mass production of 12-inch SiC substrates to provide high-quality, low-cost products, contributing to the growth of China's third-generation semiconductor industry [2] Group 2: Production Capacity and Global Expansion - The company is establishing a production capacity of 300,000 SiC substrates annually in Shaoxing and is investing in an 8-inch SiC substrate project in Penang, Malaysia [4] - Additionally, a project in Yinchuan aims to produce 600,000 8-inch SiC substrates, enhancing the company's technological and scale advantages in the SiC substrate market [4] Group 3: Market Progress and Client Validation - The company has achieved mass production and sales of 6-8 inch SiC substrates, with core parameters meeting industry-leading standards [5] - The range of clients for product validation has significantly increased, successfully securing bulk orders from international customers [5] Group 4: Semiconductor Equipment Advancements - The company has developed a 12-inch atmospheric silicon epitaxy equipment that meets international advanced standards in key performance indicators [6] - New products such as the 12-inch dry-in-dry-out edge grinding machine and 12-inch double-sided thinning machine are undergoing client validation [6] Group 5: Innovations in Compound Semiconductor Equipment - The company is focusing on the transition of the SiC industry towards 8-inch technology, leveraging its core technological advantages in equipment [7] - Continuous innovation in photovoltaic equipment is being pursued, enhancing automation and advanced manufacturing processes to improve efficiency for downstream clients [7]

Core Viewpoint - Jing Sheng Mechanical and Electrical has a strong order book primarily from leading downstream clients, with good payment performance and risk management practices in place [2][3] Group 1: Financial Performance - In 2024, the company achieved operating revenue of 17.577 billion yuan and a net profit attributable to shareholders of 2.51 billion yuan [2] - The company is accelerating the domestic substitution process for semiconductor equipment, successfully developing multiple 12-inch devices in the integrated circuit equipment sector [2] Group 2: Product Development and Market Position - The company has made technological breakthroughs and mass production in compound semiconductor equipment, including 8-inch silicon carbide epitaxy equipment and ion implanters [2] - In the photovoltaic equipment sector, innovative products aimed at improving efficiency and reducing costs have been launched, further strengthening market competitiveness [2] Group 3: Material Production and Market Expansion - The company is rapidly increasing the production capacity of 8-inch conductive silicon carbide substrates, achieving significant market expansion [2] - Sales of sapphire materials have seen rapid growth year-on-year due to the recovery in consumer electronics, with successful mass production of 1,000 kg oversized crystals [2] Group 4: Client Relationships and Strategic Direction - Major clients include well-known listed companies such as TCL Zhonghuan, Changdian Technology, and Silan Microelectronics, with long-term strategic cooperation maintained [3] - The company will adhere to the development strategy of "advanced materials, advanced equipment" and deepen the collaborative layout of the semiconductor industry chain, aiming to become a global leader in semiconductor equipment, materials, and services [3]