Core Viewpoint - In April 2025, the overall sales of the bus market in China experienced a slight year-on-year decline of 1%, while the light commercial vehicle (LCV) market showed a year-on-year growth of 5%, indicating a mixed performance within the sector [3][19]. Group 1: Market Performance - In April 2025, the total sales of the bus market (including chassis) reached 44,500 units, a month-on-month decrease of 16% and a year-on-year decrease of 1% [3]. - The light commercial vehicle market sold 36,100 units in April, with a month-on-month decline of 16% but a year-on-year increase of 5%, marking a recovery from a 2% decline in March [3][7]. - The market share of light commercial vehicles in the bus market reached 81.04% in April, slightly up from 80.57% in March, and 81.45% for the first four months of the year, compared to 77.18% for the entire year of 2024 [3][5]. Group 2: Historical Trends - An analysis of the light commercial vehicle sales over the past five years shows a trend of increase-decrease-increase, with April 2025's sales ranking second highest in the last five years, only 3,800 units less than the peak in April 2021 [5]. - The cumulative sales for the first four months of 2025 reached 137,900 units, the highest in five years, although not significantly higher than the second and third highest years [5][14]. Group 3: Company Performance - In April 2025, among the top ten companies in the light commercial vehicle market, four experienced sales growth while six saw declines, with notable increases from Changan (50%), Jiangling (13%), Xiamen Jinlong (136%), and Yutong (39%) [9][12]. - For the first four months of 2025, six out of the top ten companies reported sales growth, with Changan, Jiangling, and Dongfeng showing significant increases in market share [16][17]. - The top five companies accounted for over 80% of the market share in April, with Changan leading at 30.11%, followed by Jiangling at 24.53% and Dongfeng at 19.21% [12].

Group 1 - Jiangling Motors Corporation has applied for a patent titled "Engine Crankcase Oil-Gas Separation Control Method and System," with publication number CN119982154A, filed on March 2025 [1] - The patent aims to optimize the oil-gas separation efficiency of the engine crankcase oil-gas separation unit by controlling the opening parameters of a gravity one-way valve based on pressure differentials [1] - The method involves maintaining the dynamic oil level height within a set range through the control of the gravity one-way valve, enhancing the selection efficiency and control accuracy of the oil-gas separation system [1] Group 2 - Jiangling Motors Corporation, established in 1997 and located in Nanchang, primarily engages in the automotive manufacturing industry [2] - The company has a registered capital of 863.214 million RMB and has invested in 9 enterprises, participated in 1,632 bidding projects, and holds 4,663 patent records [2] - Additionally, Jiangling Motors has 851 trademark records and 661 administrative licenses [2]

Group 1: Company Performance - Wens Foodstuff's April chicken sales revenue was 2.543 billion yuan, a year-on-year decrease of 5.01% [1] - Wens Foodstuff sold 10.381 million chickens in April, a year-on-year increase of 10.87% [1] - Wens Foodstuff's average chicken selling price was 11.24 yuan/kg, a year-on-year decrease of 14.91% [1] - Zhongtong Bus's April vehicle sales volume was 1,046 units, a year-on-year decrease of 4.04% [1][2] - Kemin Food's April pig sales revenue reached 70.9048 million yuan, a year-on-year increase of 16.04% [3] - Muyuan Foods sold 6.573 million pigs in April, a year-on-year increase of 51.80% [5] - Muyuan Foods' pig sales revenue was 12.595 billion yuan in April, a year-on-year increase of 53.42% [5] - Xiamen Airport's April passenger throughput was 2.3881 million, a year-on-year increase of 7.73% [24] - Daqin Railway's April cargo transport volume was 30.62 million tons, a year-on-year increase of 0.99% [26] - Shaanxi Coal's April coal production was 14.24 million tons, a year-on-year decrease of 1.78% [28] Group 2: Industry Overview - Wens Foodstuff operates in the agriculture, forestry, animal husbandry, and fishery industry, specifically in pig farming [1] - Zhongtong Bus operates in the automotive industry, focusing on commercial vehicles [2] - Kemin Food operates in the food and beverage industry, specifically in food processing [3] - Muyuan Foods is also in the agriculture, forestry, animal husbandry, and fishery industry, focusing on pig farming [5] - Xiamen Airport is part of the transportation industry, specifically in airport operations [24] - Daqin Railway operates in the coal industry, focusing on coal mining and transportation [26] - Shaanxi Coal is also in the coal industry, focusing on coal mining and related services [28]

Group 1 - Ningde Times announced a share buyback plan with a total fund of 40 billion to 80 billion yuan, having repurchased 6.641 million shares, accounting for 0.1508% of the total share capital, with a total expenditure of 1.551 billion yuan [1] - Guoxin Technology successfully tested its quantum-resistant password chip AHC001, which is based on a domestic 28nm process and features low power consumption and high security, aimed at high-security applications [2] - Jingcheng Co. plans to introduce investors through a capital increase and share expansion for its subsidiary Tianhai Hydrogen Energy, with details yet to be determined [3] Group 2 - Weir Shares' shareholder plans to exchange up to 10 million shares for an open-ended index fund, representing 0.82% of the total share capital, aimed at optimizing asset allocation [4] - Zhejiang University Network New committed 33 million yuan to invest in a venture capital fund focusing on artificial intelligence and robotics, with a total target size of 100 million yuan [5] - Huayi Group intends to acquire 60% of San Aifu for 4.091 billion yuan to expand its business in fluorine fine chemicals, with funding sourced from its own or self-raised funds [6] Group 3 - Huina Technology's controlling shareholder is planning a change of control, leading to a temporary suspension of stock trading [7] - Tongyu Heavy Industry's actual controller will change from Zhuhai State-owned Assets Supervision and Administration Commission to Shandong State-owned Assets, following a share transfer agreement [8] - Kangxi Communication terminated its major asset restructuring plan and shifted to a strategic investment plan to acquire 35% of Shenzhen Chip Zhongxin Technology [9] Group 4 - Huafeng Measurement Control's shareholder plans to transfer 2.9% of its shares due to funding needs, with the transfer price set at a minimum of 70% of the average trading price over the previous 20 trading days [10] - Xiangyuan Cultural Tourism reported a 50.47% year-on-year increase in revenue during the May Day holiday [13] - Sairisi's April new energy vehicle sales increased by 12.99% year-on-year [13]

（1）自可能对公司股票交易价格产生重大影响的重大事项发生之日或者在 决策过程中，至依法披露之日内； （2）中国证监会和深圳证券交易所规定的其他情形。 证券代码： 000550 证券简称： 江铃汽车 公告编号： 2025—020 200550 江铃 B 江铃汽车股份有限公司 关于股份回购进展的公告 本公司及董事会全体成员保证信息披露内容的真实、准确和完整，没有虚假 记载、误导性陈述或重大遗漏。 江铃汽车股份有限公司（以下简称："公司"）于 2025 年 4 月 10 日至 4 月 11 日召开书面董事会，审议通过了《关于回购公司 A 股股份的议案》。本次回 购资金来源为公司自有资金，回购股份的资金总额不低于人民币 1.5 亿元（含） 且不超过人民币 2 亿元（含），回购价格不超过人民币 22.00 元/股（含），具体 回购数量以回购期限届满时实际回购的股份数量为准，本次回购的股份将用于 实施公司员工持股计划或股权激励。具体内容详见公司在《中国证券报》、《证 券时报》、巨潮资讯网（http://www.cninfo.com.cn）披露的相关公告。 一、回购股份的进展情况 根据《上市公司股份回购规则》和《深圳证券交 ...

江铃汽车（000550）公告，2025年4月总销量为30499辆，同比增长0.43%；累计销量为10.65万辆，同比 增长1.74%。 ...

金融界2025年5月2日消息，国家知识产权局信息显示，江铃汽车股份有限公司申请一项名为"一种限制 能量回收功率的电机扭矩控制方法及系统"的专利，公开号CN119872269A，申请日期为2025年3月。 天眼查资料显示，江铃汽车股份有限公司，成立于1997年，位于南昌市，是一家以从事汽车制造业为主 的企业。企业注册资本86321.4万人民币。通过天眼查大数据分析，江铃汽车股份有限公司共对外投资 了9家企业，参与招投标项目1607次，财产线索方面有商标信息851条，专利信息4642条，此外企业还拥 有行政许可661个。 专利摘要显示，本发明提供了一种限制能量回收功率的电机扭矩控制方法及系统，首先电池管理模块监 测并发送电池包电压、电流及最大充电功率至VCU。VCU若检测到最大充电功率低于预设值，向MCU 发送允许限回馈功率标志1指令及扭矩请求和最大回馈功率参数；反之则发送标志0指令。MCU在标志0 状态下查表MAP1生成常规电流指令驱动电机；在标志1状态下启用主动限回馈模式，调用MAP2生成电 流控制指令以降低能量回收效率，同步维持回馈扭矩输出。本发明在不增加产品成本，借用现有的硬件 资源的前提下，通过软件算法 ...

江铃汽车（000550）公告，2025年第一季度营收为79.67亿元，同比下降0.09%；净利润为3.06亿元，同 比下降36.56%。 ...