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Embarking on a New Journey, Uniting Strength for the Future of Vibration Industry As time moves forward, we unite and progress together. At 14:30 on January 16, 2026, the New Term Election Conference and Annual Meeting of the Xinxiang Vibration Association, themed “New Starting Point · New Momentum · New Dreams — Building a New Future for the Vibration Industry Together”, was grandly held at the Jingye Hall, 3rd Floor East Wing of Xinxiang International Hotel. As an important member of the Xinxiang Vibration Association, Xinxiang Zhiwei Machinery Equipment Co., Ltd. was invited to attend the event, joining hundreds of representatives from member companies as well as industry experts and scholars to witness this significant moment of the Association’s transition and to explore new paths for the high-quality development of the vibration industry. Focusing on Industry Development, Envisioning the Future of Vibration Conference Venue The conference featured a compact agenda and rich content, showcasing the confidence and expectations of the Xinxiang vibration industry toward future development. At the opening of the meeting, He Zhanxu, President of the Xinxiang Vibration Association, delivered a keynote speech, comprehensively reviewing the Association’s development history and providing an in-depth analysis of current industry conditions and future trends. His pragmatic insights and forward-looking perspectives resonated strongly with the attendees. Subsequently, Qin Ying, Chairman of the Supervisory Board, addressed the audience, stating that the Association will continue to enhance its service capabilities and strengthen platform functions to provide solid support for the high-quality development of the vibration industry. Deepening Industry–Education Integration, Strengthening the Industrial Foundation During the industry development forum, participants engaged in in-depth discussions around the topic “How to Bridge the ‘Last Mile’ of Industry–Education Integration.” As a key pillar in the development of Xinxiang as the “Capital of Vibration,” industry–education integration plays a critical role in talent cultivation, technological innovation, and the transformation of research achievements. Representatives from educational institutions shared practical experiences and proposed constructive ideas, offering valuable references for achieving precise alignment and deep integration between the industrial chain and the education chain. Successful Leadership Transition, Opening a New Chapter of Development The conference proceeded to a major agenda item — the election for the new term of the Xinxiang Vibration Association. Through a democratic vote by all member organizations, He Zhanxu was elected as President of the new Council, and a new leadership team was formed, marking the Association’s entry into a new stage of development. Strategic Cooperation, Expanding New Opportunities During the conference, the Xinxiang Vibration Association held a cooperation signing ceremony with the Metallurgical Sub-Council of the China Council for the Promotion of International Trade (CCPIT). Leveraging their respective resource advantages, both parties will deepen cooperation in industrial matchmaking, technical exchange, and market expansion, jointly injecting new momentum into the development of the vibration industry and opening up broader opportunities. Outstanding Corporate Presentations, Zhiwei Takes the Spotlight Corporate Presentation In the corporate presentation session, China Construction Bank Hongmen Branch, Xinxiang General Welding Equipment Co., Ltd., and Tainida Damping Technology (Kunshan) Co., Ltd., among others, took the stage to share their insights. As the final presenter, Xinxiang Zhiwei Machinery Equipment Co., Ltd., represented by General Manager Zhu Zhiwei, delivered a keynote presentation focusing on: Common damage issues of transducers Localization trends of ultrasonic screening systems Performance differences between digital ultrasonic screening systems and traditional analog machines Through in-depth analysis and comparative demonstrations, the presentation clearly highlighted the advantages of Zhiwei’s digital ultrasonic screening system in terms of stability, efficiency, and intelligence. Mr. Zhu also emphasized the core performance and application value of the ZW-26 Ultrasonic Screening System, which attracted significant attention from many participating enterprises. The presentation fully demonstrated Zhiwei’s professional strength in technology development and industrial application, while providing valuable insights for industry peers. Honors and Recognition, Showcasing Brand Strength Award Ceremony The conference honored member companies that made outstanding contributions to industry development, aiming to set industry benchmarks and encourage continuous innovation. Zhiwei Machinery Equipment Co., Ltd. was once again awarded the title of “High-Quality Supplier Brand in the Vibration Screening Industry,” reflecting strong industry recognition of the company’s product quality and comprehensive capabilities. Warm Banquet, Strengthening Industry Bonds At 18:30 that evening, the annual banquet was held in a warm and lively atmosphere. Industry peers gathered to share insights and exchange ideas in a relaxed setting, strengthening friendships and discussing future cooperation, bringing the conference and annual meeting to a successful conclusion. Embarking on a new journey, united in strength. Zhiwei Machinery Equipment Co., Ltd. will continue to focus on the vibration screening field, working hand in hand with industry partners to jointly promote the Xinxiang vibration industry toward a broader and more promising future.

Ultrasonic Power x AI: A New Engine for Intelligent Manufacturing — Taking ZHIWEI Machinery ZW-26 Ultrasonic Power Supply as an Example Product image of Zhiwei ultrasonic power supply ZW-26 From “Usable” to “Optimal”: The Evolution of Ultrasonic Power Supplies In industrial manufacturing, ultrasonic technology has been widely adopted for welding, cutting, cleaning, dispersion, and emulsification due to its high efficiency, stability, and non-contact energy transfer. However, traditional ultrasonic power supplies have long relied on manual parameter tuning: Frequency and amplitude require repeated manual adjustments Process variations (materials, temperature, load) are difficult to respond to in real time Product consistency depends heavily on operator experience As manufacturing advances toward digitalization, flexibility, and intelligence, ultrasonic power supplies are undergoing a fundamental transformation— from fixed-parameter devices to intelligent systems with learning capabilities. Artificial Intelligence is the key driver of this evolution. Core Value of AI-Enabled Ultrasonic Power Supplies Integrating AI into ultrasonic power supplies delivers tangible improvements across several dimensions: Self-Learning Parameter Optimization By analyzing historical and real-time operational data, AI can: Identify optimal parameters for different materials and processes Automatically compensate for frequency drift and load variations Significantly reduce setup time and manual intervention Real-Time Condition Awareness and Adaptive Control Through multi-dimensional modeling of voltage, current, phase, and power: Abnormal conditions can be detected in advance Output stability is dynamically adjusted Issues such as no-load, overload, or poor weld quality are effectively prevented Data-Driven Process Knowledge Accumulation AI not only adjusts—but also remembers: Proven process models can be reused long-term New product ramp-up time is reduced Manufacturing expertise becomes a digital asset ZW-26: ZHIWEI Machinery’s Vision of Intelligent Ultrasonic Power Backed by years of experience in ultrasonic power design and industrial applications, ZHIWEI Machinery proudly introduces the next-generation AI ultrasonic power supply — ZW-26. ZW-26 is more than a high-performance power unit; it is an intelligent control platform capable of learning and continuous optimization. Key Advantages of ZW-26 AI-Based Learning Control Architecture During operation, ZW-26 continuously: Collects process data Builds load and energy output models Optimizes driving strategies automatically The result: the more it runs, the better it understands your process. High-Stability Digital Driving Technology High-precision frequency tracking Rapid response to load changes Excellent output consistency and repeatability Ideal for demanding welding applications and continuous production environments. Future-Ready System Expandability ZW-26 is designed with future integration in mind: MES and host system connectivity Remote monitoring and diagnostics Smart factory readiness It is not a one-time investment, but a scalable industrial intelligence node. Application Outlook: When Ultrasonic Power Truly “Thinks” Zhiwei Ultrasonic Power Supply ZW-26 in Work Scenario With AI-driven ultrasonic power supplies like ZW-26, future manufacturing scenarios include: Autonomous production lines with self-optimizing processes Full traceability of process data Predictive maintenance and higher uptime Standardized and digitized process knowledge Ultrasonic power supplies will evolve from energy sources into intelligent decision-making units within manufacturing systems. Conclusion: Smarter Equipment, Simpler Manufacturing AI does not replace engineers—it amplifies their expertise. Ultrasonic power supplies are no longer just hardware, but software-defined intelligent devices. The ZHIWEI Machinery ZW-26 Ultrasonic Power Supply represents this future. Enabling machines to learn, Empowering manufacturing with stability, efficiency, and control. ZHIWEI Machinery · Focused on Ultrasonic Power and Intelligent Control Solutions

Vibration Association Visits Zhiwei Machinery Industry-Academia Collaboration Explores New Pathways for Ultrasonic Equipment Development Recently, He Zhanxu, President of the Vibration Association, led a delegation from the association together with Xu Kai, Dean of the CNC Technology School of Xinxiang Technical College, on a visit to member enterprise Xinxiang Zhiwei Machinery Equipment Co., Ltd. (hereinafter referred to as “Zhiwei Machinery”). The company’s management warmly welcomed the delegation and accompanied them on a tour of the production workshop, providing in-depth insights into the company’s manufacturing operations and technological capabilities. Deep Focus on Ultrasonic Equipment Building an Industry Backbone Zhiwei Machinery is a key enterprise specializing in the research, development, and manufacturing of ultrasonic generators, ultrasonic transducers, and related equipment. Over the years, the company has adhered to a technology-driven development strategy, continuously improving product performance and reliability. Its products have gained strong recognition across multiple application sectors and earned a solid reputation within the industry. This visit aimed not only to strengthen the association’s engagement with its member enterprises, but also to leverage academic expertise from higher education institutions to build a platform for industry–academia–research integration, exploring new models for the high-quality development of the ultrasonic equipment industry. Photos of the Vibration Association visiting the Zhiwei Machinery site Association Leadership Empowering High-Quality Enterprise Growth During the exchange, President He Zhanxu spoke highly of Zhiwei Machinery’s achievements in the ultrasonic equipment field. He noted that through reliable product quality, standardized manufacturing processes, and continuous technological innovation, Zhiwei Machinery has established a strong brand image and contributed significant momentum to the development of the ultrasonic equipment industry. President He emphasized that the Vibration Association will continue to act as a bridge and facilitator, creating diversified cooperation platforms for member enterprises, promoting technology sharing and resource integration, helping companies address development challenges, and driving the industry toward higher-quality and higher-level growth. Photos of the Vibration Association visiting the Zhiwei Machinery site Industry-Academia Dialogue Advancing Collaborative Innovation At the subsequent symposium, representatives from the Vibration Association, Zhiwei Machinery, and Xinxiang Technical College engaged in in-depth discussions on industry trends, technological innovation, and talent cultivation. This exchange not only strengthened mutual understanding and cooperation between the association and the enterprise, but also enabled precise alignment between the enterprise and the academic institution, laying a solid foundation for future industry–academia collaboration. Looking ahead, with the joint efforts of the association, academic institutions, and enterprises, Zhiwei Machinery is well positioned to achieve further breakthroughs in the ultrasonic equipment sector and continue injecting new momentum into the industry’s high-quality development. Photos of the Vibration Association visiting the Zhiwei Machinery site

Ultrasonic Power Supply: Technical Principles and Application Scenarios An ultrasonic power supply is a specialized device that converts standard electrical energy into high-frequency electrical energy to drive an ultrasonic transducer, generating high-frequency mechanical vibrations. It plays a critical role in industries such as manufacturing, healthcare, and food processing. The core technologies of ultrasonic power supplies include inverter circuits, power amplification, resonance control, and safety protection design, which directly determine the system's efficiency, stability, and reliability. Technical Principles Inverter Circuit The ultrasonic power supply converts mains AC (50/60Hz) into high-frequency AC, typically in the 20kHz–100kHz range. Inverter circuits often use half-bridge, full-bridge, or multi-stage topologies and high-speed switching devices (such as MOSFETs or IGBTs) to generate the required high-frequency voltage for the transducer. Advantages: Efficient energy conversion with minimal loss. Applications: Different frequency ranges suit transducers of varying power levels, from small cleaning devices to large industrial welding equipment. Power Amplification The high-frequency signal is amplified to drive the transducer and maintain stable vibrations. Power amplification typically uses transistors, MOSFETs, or IGBTs and incorporates RF matching and load adjustment to ensure clean, concentrated energy output. Technical Points: Output waveform is close to sine wave, minimizing harmonic interference. High-power amplifiers require optimized heat dissipation and long lifespan design. Effect: Enhances ultrasonic amplitude and energy transfer efficiency, ensuring quality in cleaning, welding, and processing. Resonance Control Resonance control is a core technology in ultrasonic power supplies. By monitoring the transducer’s vibration in real time, the system can automatically adjust frequency and voltage to maintain optimal resonance. Benefits: Improves energy conversion efficiency. Reduces heat generation and mechanical stress. Extends equipment lifespan. Implementation: Modern systems often use digital control (DSP/MCU) for adaptive resonance, automatically adjusting frequency according to load changes. Safety and Protection Design High-power ultrasonic power supplies usually include overcurrent, overvoltage, and overheat protection, and in special scenarios, incorporate explosion-proof, waterproof, and electromagnetic compatibility features. Explosion-proof: Suitable for chemical plants and flammable environments. Overload protection: Prevents transducer damage during extended high-power operation. Temperature monitoring: Uses thermal sensors and automatic derating to prolong lifespan. Ultrasonic Power Supply Working Principle Application Scenarios Ultrasonic power supplies are widely used in high-precision and high-efficiency applications, including: Industrial Cleaning Targets: electronic components, precision instruments, optical lenses. Advantages: Ultrasonic waves remove fine particles, grease, and residues efficiently. Plastic Welding Applications: automotive parts, medical devices, electronic housings. Technology: Ultrasonic vibrations generate frictional heat at plastic interfaces, enabling instant fusion without external heat sources. Food Processing Processes: cutting, emulsifying, mixing, sterilization. Benefits: Preserves food structure and ensures hygiene standards. Medical Devices Equipment: ultrasonic scalpels, dental tools, medical cleaning devices. Value: Improves surgical precision, cleaning efficiency, and reduces cross-contamination risks. Precision Processing Fields: microfabrication, optical glass machining, ultrasonic-assisted cutting. Advantages: Enhances processing precision, surface quality, and reduces mechanical stress. Our Explosion-Proof Ultrasonic Power Supply Our explosion-proof ultrasonic power supply is designed for special industrial environments, safely operating in flammable or explosive areas. Features include: High Efficiency: Digital resonance control optimizes energy conversion and minimizes loss. High Reliability: Optimized power transistor and heat dissipation design for long-term high-load operation. Safety Protection: Explosion-proof, waterproof, and overload protection ensure safety for equipment and operators. Wide Applications: Successfully applied in industrial cleaning, plastic welding, and precision processing, earning high user recognition. Zhiwei Machinery Explosion-Proof Ultrasonic ZWEX-7 Future Development Trends Intelligent Control: Integration of AI and IoT for remote monitoring, automated diagnostics, and predictive maintenance. Energy Efficiency: Optimized power conversion reduces energy consumption, aligning with green manufacturing. Modular and Expandable Design: Flexible configuration for different power levels and applications. Miniaturization: Compact ultrasonic power supplies for portable devices and laboratory use, enabling innovative applications. Ultrasonic power supplies are evolving toward high efficiency, intelligence, and safety, expanding applications in industrial automation, medical devices, and precision manufacturing.

Connecting the Future of the Industry Through Innovation As one of China’s most important hubs for the vibration industry, Xinxiang—widely known as the “Capital of Vibration”—once again hosted a major industry event: the 4th Vibration Screening & Filtration Industry Expo. The expo was jointly organized by the Vibration Machinery Branch of the China Heavy Machinery Industry Association, the Vibration Machinery Equipment Committee of the Henan Equipment Manufacturing Industry Association, the Xinxiang Vibration Engineering Association, and the Xinxiang County Vibration Machinery Industry Association. Hundreds of outstanding enterprises from China and abroad gathered at the event. As a representative enterprise in the industry, Zhiwei Ultrasonic was invited to participate, showcasing its technical strength and brand image on its home ground while exploring new development opportunities with partners from across the country. The 4th Vibration Screening and Filtration Conference Focusing on the Cutting Edge and Exploring the Future Together Under the theme “Vibration Ecosystem, Intelligent Manufacturing Engine,” the expo brought together high-quality resources across the entire vibration screening and filtration industry chain. At the same time, the China Vibration Screening & Filtration Industry Development Summit Forum was successfully held. Industry experts, academicians, and professors from leading universities gathered to discuss future technology trends, evolving market demands, and cutting-edge innovations in vibration screening and filtration. Their insights provided valuable guidance for the industry’s high-quality development. For Zhiwei, the expo served not only as an important platform to demonstrate its capabilities on home ground, but also as a key opportunity to gain deeper insights into industry challenges, strengthen collaboration, and expand cooperation. The 4th Vibration Screening and Filtration Exhibition Site Zhiwei Highlights | Two Core Strengths That Captured Attention Centered on real customer needs, Zhiwei presented a portfolio of products and services that combine technological innovation with practical application value, making the company a focal point of the exhibition. Intelligent and High-Efficiency Ultrasonic Screening Equipment Zhiwei’s ultrasonic screening system integrates multiple core technologies and offers outstanding stability, efficiency, and intelligence: Fully automatic acoustic impedance matching Fully automatic frequency matching Fully automatic inductance matching system Support for RS-485 remote communication High and stable output power with excellent screening performance Built-in current stabilization loop for constant power output Digital current adjustment with simple and intuitive operation Explosion-proof housing compliant with industry safety standards Controllable transducer temperature for reliable operation The equipment is widely applicable in mining, chemical processing, food, and other industries. Its precise screening capability and stable performance attracted extensive on-site inquiries and discussions. Customized One-Stop Service System In addition to its core products, Zhiwei showcased its comprehensive customized service capabilities: Equipment selection based on customer capacity and operating conditions Tailored screening solution design End-to-end services covering delivery, commissioning, and after-sales support During the expo, several customers reached preliminary cooperation intentions with Zhiwei after in-depth discussions, laying a solid foundation for future project implementation. Zhiwei Machinery On-site Negotiation In-Depth Communication and Positive Feedback Throughout the exhibition, Zhiwei’s technical team engaged in face-to-face discussions with purchasers and industry experts from around the world, focusing on key topics such as: Equipment operational stability Energy-saving performance Customized adaptation for different operating conditions After observing live demonstrations, many visitors spoke highly of Zhiwei’s core technologies and product reliability. In addition, several long-term customers visited the booth specifically, further strengthening ongoing partnerships. Zhiwei Machinery Customer Communication Industry Insights | Seizing Opportunities and Moving Forward Feedback and discussions at the expo clearly indicated that the vibration screening and filtration industry is accelerating toward intelligent, green, and customized development. Looking ahead, Zhiwei will continue to increase R&D investment and focus on the iterative upgrade of intelligent ultrasonic screening technologies. By delivering more competitive products and solutions, Zhiwei aims to help customers reduce costs, improve efficiency, and achieve high-quality growth. The Expo Concludes, Cooperation Continues Although the 4th Vibration Screening & Filtration Industry Expo has successfully concluded, Zhiwei’s journey of collaboration with industry partners is just beginning. Moving forward, Zhiwei will remain committed to innovation-driven development and customer-oriented solutions, working together with industry partners to build a more efficient, intelligent, and sustainable vibration screening ecosystem.