市场回顾：截至 4 月 21 日收盘，汽车（中信）行业指数下跌 6.62%，跑输同期沪深 300 指数 3.99pct，在中信 30 个一级行业 中排名第 27 名。本月个股涨幅靠前的 5 名分别是林泰新材、九 菱科技、曙光股份、浩淼科技、双林股份。

An automotive touch screen control system is an all-in-one unit that can control various functions in a vehicle, which can be navigated using a touch screen panel; this touch screen panel eliminates many of the switches, buttons, and cluttered dials that occupy the dashboard of a vehicle. An automotive touch screen control system can provide fast response time, unlimited touch identification, low power consumption, and robust operation to touch-based designs. An automotive touch screen control system provides quick access to various temperature control systems and infotainment and allows the fine-tuning and control of the vehicles air conditioning system. Furthermore, an automotive touch screen control system enables immediate access to important data, such as engine status, inside and outside temperatures, battery levels, tire pressure, and fuel efficiency.

An automotive transmission gearbox is a crucial component of a vehicles powertrain that transmits power from the engine to the wheels while regulating speed and torque. It allows the driver to change gears efficiently, optimizing performance, fuel efficiency, and drivability. Transmission gearboxes come in various types, including manual transmissions (MT), automatic transmissions (AT), continuously variable transmission (CVT), and electric vehicle (EV) transmissions, each designed to meet different driving needs and vehicle applications.

Boat docks and lifts are a type of machinery that is used to lift and handle boats. This machinery helps in keeping the boats safe and sustaining their integrity by protecting them from corrosion and breakage. These machines are generally used for transporting boats between water at two different elevations and offer an alternative to the canal lock and the canal inclined plane. These machines find applications in household and commercial spaces. The global boat docks and lifts market comprises establishments that are primarily engaged in the manufacturing of docks, lifts, and related accessories.

Body worn video cameras are valuable tools that can be used by law enforcement personnel to record arrests, traffic stops, interviews and sobriety tests. Body worn video camera systems generally consist of a camera, battery, microphone, and onboard data storage. They are designed to be worn or head-mounted at different locations on the body, depending on the model.

Business process automation refers to the use of technology and software to streamline and automate repetitive and manual tasks within a business. It involves identifying, analyzing, and optimizing existing processes to eliminate inefficiencies, reduce human error, and increase productivity. Business process automation typically involves the implementation of digital tools such as workflow software, robotics, and artificial intelligence, to automate tasks, including data entry, document processing, and customer support. By automating these processes, organizations can improve operational efficiency, achieve cost savings, free up the time of the employees for more valuable work, ensure greater accuracy, and provide a better experience for both employees and customers.

Business process management (BPM) is a practice in operations management that includes analyzing and modeling business processes to work in different scenarios, executing improvements, and monitoring and optimizing the improved processes continuously. It is an ongoing activity that involves continuous process re￾engineering. BPMaaS refers to software solutions that enable enterprises to implement BPM to increase the efficiency of their business workflows.

Business Intelligence (BI) is application software that captures business data and presents it in user-friendly views such as reports, dashboards, charts, and graphs. Business intelligence allows business entities to gather, store, analyze, and gain a better understanding of in-house data for an effective decision-making process. This application program uses a fact-based support system to derive insights and provide a business advantage to an organization. A few of the features of the business intelligence and analytics platform are online analytical processing, query and reporting, advanced analytics, corporate performance management, and collaborative business intelligence.

Baby carriers, or baby slings, are a piece of cloth with or without straps. Baby carriers are used to carry infants and toddlers. Baby carriers can be packed easily and do not need to be folded like strollers.

Bone cement, which is chemically known as polymethyl methacrylate (PMMA), is widely used for implant fixation in various orthopedic and trauma surgeries and in interventional procedures. Bone cement fixation remains the gold standard for the treatment of many orthopedic disorders and largely contributes to the success of modern joint replacement. Bone cement is widely used in vertebroplasty, a minimally invasive surgical procedure, to treat spinal fractures and collapsed vertebrae.