Core Viewpoint - The company, Tongrun Equipment, has experienced a significant decline in stock price since 2023, despite a strong performance in its solar storage business, which saw an 80% year-on-year revenue increase in 2024 [2]. Group 1: Company Performance - As of July 4, 2025, Tongrun Equipment's stock closed at 11.82 yuan, down 2.48%, with a trading volume of 126,300 shares and a turnover of 150 million yuan [1]. - The company reported a 108% increase in inverter sales, reaching 8.7 GW, and a 41% increase in energy storage product sales, totaling 0.3 GWh [2]. Group 2: Management and Strategy - The management team emphasizes adherence to operational standards and aims to build investor returns based on performance, while also enhancing investor relations to communicate the company's intrinsic value [2]. - In response to potential global tariff changes, the company is adjusting its operational strategies, including increasing shipment capacity to relevant markets and optimizing overseas production layouts [2]. Group 3: Market Dynamics - On July 4, 2025, the net outflow of funds from major investors was 20.88 million yuan, while retail investors showed a net inflow of 25.16 million yuan [3].

简阳沱江特大桥设计图。 长江沿岸铁路集团四川公司供图 信息化调度中心内，工作人员在进行虚拟拼装。 朱柯宇摄 工人在桥面进行焊接作业。 张耀川摄 正在建设的简阳沱江特大桥。 本报记者 王永战摄 一条沱江，清水悠悠。桥面，锤声连连，焊花四落；桥下，钢柱林立，江水缓流。站在岸边高坡远望， 一座巨"弓"初具雏形，安卧在桥墩之上。 这是成渝中线高铁建设现场，眼前的巨"弓"便是简阳沱江特大桥的雏形。成渝中线高铁是长江沿江高铁 的重要组成部分，全线长292公里，建成后，将使成渝通行时间缩短至50分钟。简阳沱江特大桥是其中 的关键控制性工程，主拱计算跨径320米，边拱计算跨径72米，是一座无推力组合拱桥。 无推力组合拱桥如何设计？建设中有何难点，如何突破？近日，本报记者进行了探访。 创新设计 基于泥岩、砂岩地质条件和通航需求，确定无推力组合拱桥设计方案 "弓"臂湛蓝，"弓"弦平顺。水面岸边，两座巨型桥墩供巨"弓"安卧。在简阳沱江特大桥建设现场，数十 米高的桥面上，蓝色主拱缓缓向前延伸。工人手持焊枪，蓝光闪耀，焊花绽放。 "这座拱桥的主拱横跨320米,每幅拱肋由4根钢管构成，管内灌注混凝土。"走上大桥，负责桥梁设计的 中铁二院 ...