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Leili Motor S&T, a subsidiary of Jiangsu Leili, Signed a Successful Contract with Southeast University for Cooperation Between Industry, Universities, and Research.

Another year of glorious blossoms in spring and solid fruits in autumn, let us forge ahead and open a new chapter. On November 26, 2024, the signing ceremony of the cooperation agreement “Research and Development of Six-Phase Brushless Motor and Controller with Torque Feedback” between Changzhou Leili Motor Technology Co., Ltd., a subsidiary of Jiangsu Leili, and Southeast University was successfully held at Motor Technology. Liu Xiaoyu, chairman of the Science and Technology Association of Changzhou Xinbei District and member of the Party Group of the District Science and Technology Office; Huang Yunkai, member of the Party Committee and deputy dean of the College of Electrical Engineering of Southeast University; and Jiang Zheng, deputy director of Longhutang Street of the district, attended the event. At the ceremony, Su Da, Director General of Engine Technology, welcomed and thanked the visitors and stated that the signing of this industry-university research cooperation agreement marks a milestone in the more than 10 years of cooperation between the two sides, which will further boost cooperation. Engine Technology will continue to adhere to the principles of open cooperation and mutual benefit, and will explore new solutions and models with Southeast University in talent development, scientific research, and the transformation of achievements, jointly exploring the development of cutting-edge fields. Huang Yunkai, Vice President of the College of Electrical Engineering at Southeast University, introduced the cooperation project and the university’s current research direction and held in-depth discussions with Mr. Su and the technical team. Liu Xiaoyu, President of the District Science and Technology Association, praised the cooperation between the College of Electrical Engineering and Southeast University. He noted that the government will provide policy support and guidance, and expressed his hope that the three parties—the college, the district, and the enterprise—will cooperate and promote technological innovation to a higher level. After the ceremony, Mr. Su led a delegation of guests to visit the company’s exhibition hall, introducing the company’s mature and outstanding products one by one and sharing future development plans. We firmly believe that through close collaboration and collaborative efforts between schools and businesses, they can quickly meet the operational needs of intelligent driving in the new energy market and promote the development of new-level productivity. At the same time, both sides will actively explore new models of deep integration between industry, academia, and research, seeking to share resources and gain complementary advantages by cultivating high-quality innovative talent and creating high-level scientific research platforms, thereby boosting the competitiveness and social influence of enterprises.

Awards
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Jiangsu Leili Has Won Numerous Awards In The Yangtze River Delta High Value Patent Competition

In 2024, on the fiercely competitive track of intellectual property and technological innovation, Jiangsu Leili Motor Co., Ltd. has been making great strides with its invention patent “liquid addition pump, dispensing system, washing machine, and method of controlling liquid addition pump”, achieving frequent successes! Has stood out in the Shanghai Putuo Jiangsu Changzhou Joint Competition of the Yangtze River Delta High Value Patent Operation Competition and won the “Second Prize” honor; At the highly anticipated second “Zhongzhi Road” Yangtze River Delta High Value Patent Operation Competition, he once again outperformed the other competitors and won the “Bronze Award”. These two events bring together over 300 top scientific and technological innovation forces and cutting-edge technological achievements from the Yangtze River Delta region. Jiangsu Leili broke through, demonstrating its strong research and development background, smart patent layout, and exquisite declaration text. For many years, Jiangsu Leili has focused on motor research and development production, relying on continuous investment and talent gathering to create an industry-leading patent matrix. This award-winning achievement is the result of the R&D team’s day and night efforts to accurately grasp the pain points of the industry. These patent achievements are gradually being implemented, empowering multiple fields such as smart homes and new energy vehicles, optimizing product energy efficiency, and enhancing user experience. In the future, Jiangsu Leili will uphold the original intention of innovation, deeply tap into the potential of technology, rely on the advantages of scientific and technological innovation resources in the Yangtze River Delta, enable more patents to move from drawings to production lines, continue to lead industrial upgrading, and create more brilliance.

Merry Christmas
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Merry Christmas from Leili Motor

Dear Customers and Partners: Leili Motor would like to thank you for your continuous commitment and cooperation and hopes that during the next year, we will continue to receive your assistance and support! On the occasion of the festival, we wish you and your family joy, good health, and prosperity in this coming New Year!

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Stepper Motor vs. Synchronous Motor: Which Drives the Future of Precision Engineering?

Motor technology plays a vital role in industries like manufacturing, robotics, medical devices, and aerospace. Stepper motors and synchronous motors are key to automation and precision control. Both rely on electromagnetic interaction between the stator and rotor, but differ in how they work, their benefits, and their uses. Precision engineering needs accurate positioning, thermal efficiency, load handling, and reliability. From surgical robots to assembly lines, the right motor is critical. Knowing the differences between stepper and synchronous motors helps decide which one best drives future motion control. Inside the Motor: Commonalities and Differences Both stepper and synchronous motors rely on the coordinated action of the stator and rotor to convert electrical energy into rotational motion. The stator is the stationary component, housing coils energized in patterns to create magnetic fields. The rotor, placed inside or around the stator, responds to these fields by rotating. To minimize energy loss and enhance magnetic performance, both motors typically use stator and rotor laminations—thin electrical steel sheets stacked together to form stator and rotor stacks. These stacks serve two purposes: improving magnetic flux control and reducing eddy current losses. However, how these components are configured and utilized diverges sharply between the two motor types. Stepper Motors: Simplicity Meets Precision A brushless synchronous motor with distinct steps is called a stepper motor. When electrical pulses are supplied to the windings in a specific sequence, the rotor aligns with the resulting magnetic field. Each pulse corresponds to a precise angle of rotation, eliminating the need for feedback in most applications. This predictable movement makes stepper motors perfect for tasks requiring open-loop control and repeatability—like 3D printers, CNC machines, camera platforms, and automatic dispensers. With no need for sensors or encoders, they’re affordable, compact, and relatively easy to integrate. Key characteristics of stepper motors include: High holding torque at standstill Accurate incremental motion Simplified control circuitry Susceptibility to resonance and loss of torque at high speeds Stepper motors typically use permanent magnets or soft iron in the rotor, with the stator and rotor laminations designed to enhance the magnetic pull and response rate. These laminated stator and rotor stacks are often optimized for specific step angles (e.g., 1.8°, 0.9°) to meet resolution demands. Synchronous Motors: The Power of Closed-Loop Precision Synchronous motors run at a steady pace that is in sync with the AC power source’s frequency. Unlike stepper motors, they require a feedback system to maintain precise control, typically using encoders or resolvers to ensure the rotor remains in sync with the rotating magnetic field of the stator. These motors are widely used in applications that require stable speed under variable loads, such as industrial conveyors, HVAC systems, electric vehicles, and precision manufacturing lines. They offer excellent energy efficiency and torque output, especially in high-performance settings. Distinctive features of synchronous motors include: Consistent speed under load High efficiency and power factor Customizable performance via control algorithms Dependence on sensor-based feedback Advanced synchronous motors often feature precision-optimized stator and rotor laminations, reducing losses while enhancing electromagnetic response. In high-end systems, these laminated stator and rotor stacks are manufactured with cobalt or silicon steel for superior magnetic permeability. Comparative Table: Stepper Motor vs. Synchronous Motor Attribute Stepper Motor Synchronous Motor Operation Mode Open-loop (no feedback) Closed-loop (feedback required) Speed Behavior Variable, stepwise movement Constant, fixed speed with power frequency Positioning Precision High (per step resolution) Very high (with encoder feedback) Torque Output High at low speed, declines with RPM Consistent across speed range Efficiency Lower due to constant power draw Higher with efficient power usage Thermal Management May overheat under load without airflow Better thermal design with active cooling Control Complexity Simpler (requires pulse generator) More complex (requires inverter and feedback loop) Cost Lower overall system cost Higher initial investment Applications Printers, scanners, medical devices, robotics EVs, conveyors, compressors, high-end automation Stator and Rotor Use Basic laminated structure for step angles Optimized laminations for efficient field interaction Stator and Rotor Stacks Standard design with basic customization High-precision stacks with thermal/electromagnetic tuning Stator and Rotor Laminations Designed for discrete steps Engineered for high flux density and reduced losses Applications in Precision Engineering Stepper motors are often the go-to choice in systems where low to moderate speed, moderate torque, and high positioning accuracy are needed without real-time feedback. Use cases include: Pick-and-place machines Labeling and packaging systems Automated optical inspection equipment Synchronous motors, due to their robust performance and real-time controllability, are suited for: Electric traction in rail and automotive systems High-speed compressors and pumps Advanced robotics and CNC machining centers The stator and rotor design plays a crucial role in each of these scenarios. For example, the low torque ripple and optimized stator and rotor stacks of synchronous motors make them ideal for smooth surface finishing in machining, while stepper motors offer ideal positioning repeatability in desktop automation. Manufacturing Considerations: Laminations and Customization The performance of both motor types is heavily influenced by the design and material quality of stator and rotor laminations. In stepper motors, these laminations are typically produced from low-loss electrical steel and stacked to reduce eddy current formation, enhancing step accuracy and magnetic response. Synchronous motors, especially in high-power or aerospace applications, use more advanced lamination techniques. Multi-slot interlocking, laser cutting, and insulation coatings improve the mechanical and thermal properties of the motor. The stator and rotor stacks are built for higher temperature tolerance and lower magnetic hysteresis, which translates into greater reliability and longer service life. OEMs and custom motor manufacturers increasingly offer tailored lamination stack configurations based on torque, temperature, and operating frequency requirements. This is particularly important for industries like EV propulsion or semiconductor lithography, where micron-level tolerances are mandatory. Future Outlook: Integration and Intelligence As digital twin technology, predictive maintenance, and AI-powered motion control evolve, motors are expected to become smarter and more adaptable. Stepper motors are also seeing enhancements with hybrid stepper designs that integrate encoder feedback, blending open-loop simplicity with closed-loop correction. These developments reduce resonance issues and improve torque stability. Synchronous motors, meanwhile, are moving toward higher

Leili Participation in 136th Canton Fair Unveiling New Innovations
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Leili’s Participation in The 136th Canton Fair: Unveiling New Innovations

Leili, a renowned manufacturer of motors and automation solutions, proudly showcased its cutting-edge products at the 136th Canton Fair, held from October 15 to October 19, 2024. The prestigious event, hosted at the Canton Fair Complex (No. 382, Yuejiang Zhong Road, Guangzhou), drew in global attention, with companies and innovators presenting the latest advancements in technology and manufacturing. Leili’s booth, Nos. 19.2E35 -36 and 19.2F13 -14, attracting considerable attention from international buyers and industry professionals, became a focal point for visitors, offering insights into the company’s diverse product portfolio, ranging from stepper motors to advanced automation solutions. The fair provided a prime platform for Leili to connect with international partners, discuss emerging trends, and explore collaborative opportunities with businesses from across the globe. Spotlight on Innovation During the event, Leili introduced several new products designed to meet the evolving demands of industrial automation, including their latest stepper motors and precision control systems. These innovations reflect the company’s commitment to delivering high-quality, energy-efficient solutions that drive performance in sectors such as automotive, robotics, and smart manufacturing. Leili’s representatives engaged with potential clients and industry professionals, sharing insights into the company’s cutting-edge research and development. By participating in this globally recognized event, Leili reaffirmed its position as a leading force in the industry, continually pushing the boundaries of technology and innovation. Strengthening Global Ties The Canton Fair also allowed Leili to strengthen its global reach, as the event attracts buyers from over 200 countries. With a focus on expanding its international market presence, Leili used this platform to build new partnerships and explore avenues for growth in regions such as Europe, North America, and Southeast Asia. Leili’s participation in the 136th Canton Fair not only showcased its latest products but also emphasized its vision for the future of automation technology. The company is dedicated to remaining at the forefront of industry innovation, offering solutions that enhance productivity and operational efficiency for businesses worldwide.  

Electronica
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JIANGSU LEILI MOTOR To Electronica Munich 2024– Join Us at Booth B6.450

We are pleased to announce that JIANGSU LEILI will be participating in the renowned Munich International Electronics Exhibition Center from November 12th to 15th. We are thrilled to present our most recent innovations at this esteemed event, which is a significant meeting place for experts and trailblazers in the worldwide electronics sector. Event Details Event Name: Electronica 2024 Dates: November 12-15, 2024 Location: Munich, Germany Booth Number: B6.450 What You Can Expect from JIANGSU LEILI At Booth B6.450, JIANGSU LEILI will present an array of cutting-edge solutions in motor drive.The increasing needs for performance, accuracy, and sustainability are addressed by the design of our products. Whether you are exploring new automation systems or looking for high-performance electronic components, our offerings will address your needs. Some of the key products and innovations we will feature include: Advanced Motor Solutions: Discover our latest motors, designed for efficiency and reliability. Innovative Control Systems: See the latest wave of control systems designed for business and industrial use. Smart Solutions for Automation: Explore how our smart systems can optimize your processes and drive innovation. Why Visit JIANGSU LEILI at B6.450? As a leader in the electronics industry, JIANGSU Leli has been at the forefront of delivering high-quality solutions that support various sectors, including industrial automation, electronics, and beyond. You may get a firsthand look at how our products can improve your projects and help you stay ahead in a cutthroat industry by stopping by our booth. Special Offers and Interactions We invite you to visit our booth for live demonstrations and personalized consultations with our technical experts. Additionally, we’ll be offering special promotions and insights to those who stop by our booth. Connect with Us Planning to attend the exhibition? We encourage you to schedule a meeting with our team in advance to ensure you receive dedicated time to discuss how JIANGSU LEILI can support your business growth. To arrange a meeting, please contact us at [email protected]. Conclusion Don’t miss this opportunity to connect with JIANGSU LEILI at the Munich International Electronics Exhibition Center! Join us from November 12th to 15th at Booth B6.450. We look forward to seeing you in Munich and exploring how our innovative solutions can benefit your business. For more information, please contact us at [email protected].

Delivered A Speech
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Lei Li’s Intellectual Property Director Was Invited To Attend The 3rd Intellectual Property Forum And Delivered A Speech

From June 26 to 28, the 3rd Intellectual Property Industry Forum (iPiF 2024) was held in Shanghai. The purpose of this forum is to “focus on hot topics of intellectual property protection, build high-end dialogues among intellectual property industry experts, and improve the level of corporate intellectual property management”. The industry, academia, and scientific research institutions gathered on site to discuss cutting-edge topics of intellectual property and innovation development. Leili Intellectual Property Director and Chief Engineer were invited to give a wonderful speech on “Overseas Patent Layout Strategy of Manufacturing Enterprises” at the Intelligent Manufacturing Sub-Forum. Combining the characteristics of manufacturing enterprises and Leili’s experience in intellectual property management, Mr. Zhao specifically taught the intellectual property risks faced by products going overseas, the purpose of overseas patent layout, the layout strategy, and the internal management based on the layout strategy. It is recommended that manufacturing enterprises must have a clear strategy for overseas patent layout and serve their business goals! Mr. Zhao’s speech aroused a warm response and resonance at the scene. After the speech, everyone was still not satisfied. Many representatives of participating companies had further exchanges and discussions with Mr. Zhao on the overseas layout of patents and corporate intellectual property management. Mr. Zhao’s invited speech and the on-site response promoted and enhanced the brand image of Rayleigh and also confirmed the feasibility and effectiveness of Rayleigh’s intellectual property management and its current influence and popularity in the industry, further strengthening our pace and confidence in moving forward.

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      We are a manufacturing factory to provide you with high-quality B2B services. Welcome to batch customer consultation. Our company has a minimum order quantity requirement, which needs to be greater than or equal to 500 pcs. (the minimum order quantity of different products is different) Please be sure to inform the order quantity so that we can reply to your information.