PUMBAAEV Debuts at Beijing International Auto Show: Full Range of E-Drive Series in High Demand, Flat-Wire Motors and E-Drive Axles Lead New Era of Construction Machinery Electrification

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At the 2025 Beijing International Auto Show, PUMBAAEV made a grand appearance with the theme "High-End · Intelligent · Green," capturing global attention with its mature e-drive product matrix and numerous cutting-edge technological achievements. During the exhibition, the company highlighted key components of its "EV Eco Powertrain" platform—the high-efficiency e-drive series, intelligent drive controllers, and the latest technological breakthroughs: the Flat-wire Motor and serialized e-Drive Axles. These products represent PUMBAAEV's deep innovation in materials, structure, control, and system integration. The booth attracted a significant number of technical inquiries, letters of intent, and joint verification opportunities, fully demonstrating the company's leadership and market competitiveness in the electrification of construction machinery and special-purpose vehicles.

I. Exhibition Overview: PUMBAAEV's Strategic Showcase and Market Response​

At the auto show, PUMBAAEV comprehensively demonstrated the adaptation and advantages of its e-drive series in typical scenarios such as excavators, loaders, aerial work platforms, mining machinery, smart warehousing, and agricultural machinery through a four-in-one approach: static prototypes, live demonstrations, simulation displays, and technical seminars. During the event, PUMBAAEV engaged in in-depth discussions with numerous domestic and international vehicle manufacturers, system integrators, and end customers, reaching multiple technical joint-verification and intent-to-purchase agreements. Particularly positive feedback was received regarding market expansion in Southeast Asia and Europe.
                                                                             

II. Overall Highlights of the Product Matrix: High-Efficiency Motors, Intelligent Drives, and Systematic Platforms​

PUMBAAEV's e-drive product line covers applications from low to high power, forming a complete "Motor—Drive—Energy Management—Thermal Control" powertrain platform. Core capabilities include:

• High-Efficiency Permanent Magnet Synchronous Motors: Utilizing high-performance magnets and optimized magnetic circuit design to achieve high power density and low loss.

• Intelligent Drive Controllers (e-Drive): Integrating vector control, Model Predictive Control (MPC), fault diagnosis, and OTA update functionality.

• Energy Management System (EMS): Enabling regenerative braking, dynamic energy distribution, and vehicle-level optimization.

• Modular and Standardized Design: Supporting rapid vehicle integration and customization for multiple operating conditions.

• Rigorous Validation System: Multi-condition testing from laboratory to field and international certification capabilities.
  
                                                                       

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III. Technology Focus: Flat-Wire Motor—A New Paradigm for Enhancing Power Density and Thermal Management​

​1. Design Principle and Innovations​

PUMBAAEV's developed flat-wire motor replaces traditional round wires with flat rectangular copper wire windings. Combined with optimized slot shapes, increased fill factor, and refined magnetic circuit design, it significantly improves the copper ratio per unit volume and heat dissipation performance. Paired with an improved rotor structure and high-precision manufacturing processes, the overall motor achieves breakthroughs in power density, efficiency, and reliability.

​2. Key Advantages​

• Significant Increase in Power Density: Higher output per unit volume allows for optimization of overall machine size and weight, benefiting vehicle lightweighting.

• Improved Heat Dissipation and Lower Temperature Rise: Synergy between flat wires and optimized cooling channels controls temperature rise under continuous high-load conditions, reducing demagnetization and thermal damage risks.

• Excellent Low-Speed Torque Control: Less torque ripple and faster response, suitable for aerial platforms and precise handling needs.

• Mass-Production Ready Process: The company has achieved automated production of flat-wire windings, ensuring batch consistency and cost control.

​3. Supporting Control Strategy​

The flat-wire motor is deeply coupled with PUMBAAEV's self-developed e-Drive controller, which monitors temperature, load, and electrical characteristics in real-time. It uses vector control and MPC algorithms to dynamically optimize current distribution and efficiency maps. It supports cloud data backhaul, OTA updates, and AI-based continuous performance optimization.

​4. Application Scenarios and On-Site Performance​

In auto show demos and multi-scenario field tests, the flat-wire motor demonstrated efficient, smooth, and reliable performance in excavators, loaders, aerial platforms, warehousing/handling, and agricultural machinery. Test data shows system efficiency improvements of 15–25% in typical heavy-duty start-stop and continuous operation scenarios, with a significant extension in continuous operation time.

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IV. Core Breakthrough: E-Drive Axle—An Integrated and Intelligent Powertrain Axle Solution​

​1. Product Positioning and Functional Integration​

PUMBAAEV's e-Drive Axle highly integrates the motor, reducer, drive controller, brake, and differential (or direct drive) unit into a modular power axle. This solution shortens the transmission chain, reduces energy loss, optimizes vehicle weight distribution, and is suitable for electric trucks, special engineering vehicles, and electrification retrofits of construction machinery chassis.

​2. Design Features and Advantages​

• High Integration: Reduces external transmission components, improving reliability and assembly convenience.

• Multiple Operating Modes and Regenerative Braking: Enables torque distribution, energy recovery, and traction optimization.

• Enhanced Thermal Management: Built-in liquid cooling circuits, independent gear and bearing cooling ensure stable operation under high loads.

• Modular Power Options: Offers multiple power ratings from medium to high power for quick matching with platforms of different tonnages.

• High Protection and Adaptability: Sealed structure design, corrosion-resistant materials, and high-grade sealed bearings adapt to extreme environments like mines and farmland.

​3. Intelligent Coordinated Control​

The integrated control unit in the e-Drive Axle supports seamless communication with the Vehicle Control Unit (VCU), Electronic Stability Control (ESC), and vehicle networks (CAN/CAN-FD, Ethernet), enabling inter-wheel torque distribution, electronic differential control, and traction management to improve passability and safety. Built-in sensors enable real-time fault diagnosis and remote maintenance.

​4. Live Demonstration and Adaptation Results​

The exhibition showcased test results of the e-Drive Axle on loader and electric truck platforms: it delivered smooth power output and more efficient energy recovery in scenarios like hill hold, traction on slippery surfaces, and sudden load changes. Customer feedback highlighted its high integration level, ease of vehicle layout, and maintenance.            

                                                                                                                       

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V. Reliability Verification and Certification System​

PUMBAAEV has established a rigorous verification and certification system during the development of flat-wire motors and e-Drive Axles:

• Comprehensive Laboratory Testing: Including longevity cycle, high-temperature endurance, thermal cycling, vibration/shock, EMC/EMI, and IP protection tests.

• Multi-Condition Field Validation: Long-term data collection and optimization in real operating conditions like mines, construction sites, agriculture, and warehousing.

• International Compliance Certification: Products and management systems meet ISO/TS, CE, UN ECE standards, with support for local regulatory certification per customer needs.

• Quality Control: Multi-source options for key components, supply chain management, and production process control ensure delivery stability.

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VI. Customer Cases and Actual Results​

• ​Large Domestic Excavator Manufacturer:​​ After adopting flat-wire motors and high-power e-Drive Axles, the machine's instantaneous output power increased by approximately 20%, daily continuous operation time extended by 15%, and overall energy consumption decreased significantly.

• ​European Commercial Vehicle Manufacturer:​​ Medium-power e-Drive Axles applied in urban delivery vehicles, with energy recovery strategies increasing urban driving range by 12% and reducing operational costs.

• ​Southeast Asian Agricultural Project:​​ The speed regulation and torque optimization of flat-wire motors on agricultural machinery improved field operation efficiency, aiding local mechanization electrification plans.

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VII. Service System and Customer Empowerment​

PUMBAAEV provides full-process services from pre-sales to after-sales, ensuring project implementation and sustainable operation:

• Pre-Sales Support: Requirement analysis, system matching, simulation evaluation, and prototype delivery.

• Project Implementation Services: Joint debugging with customers, on-site engineer support, and training.

• After-Sales Support: Remote monitoring, OTA updates, spare parts supply, and localized service networks.

• Custom R&D: Customized hardware/software development and regulatory adaptation support based on customer scenarios.

• Data-Driven Optimization: Helps customers continuously improve energy efficiency and reliability through cloud-based operational data.

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VIII. Business Strategy and Ecosystem Collaboration​

PUMBAAEV is deepening its presence in the domestic market for construction machinery, electric commercial vehicles, and special equipment, while actively expanding into overseas markets (Southeast Asia, Europe, Middle East, etc.). The company adopts an open collaboration strategy, establishing ecosystem partnerships with battery manufacturers, transmission/chassis suppliers, software, and service companies. It accelerates product commercialization and market penetration through joint R&D, technology licensing, and localized service networks.

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IX. R&D Roadmap and Future Development​

PUMBAAEV will continue to invest in the following directions:

• Enhance Power Density and Efficiency: Adopt higher-performance magnets, low-loss materials, and optimized manufacturing processes.

• Strengthen Intelligent Capabilities: Introduce more AI/ML for operating condition recognition, predictive maintenance, and adaptive control.

• Reduce Cost and Weight: Lower total system cost and increase adoption rate through material and structural optimization.

• International Compliance: Continuously obtain more international certifications and expand global service and supply networks.

• Expand Product Portfolio: Advance higher-power flat-wire motors and multi-functional e-Drive Axle product lines.

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X. Conclusion​

PUMBAAEV's successful debut at the Beijing Auto Show not only demonstrated the maturity of its core e-drive technologies and productization capabilities but also its ability to translate technological innovation into market-competitive solutions. The flat-wire motor and e-Drive Axle, as two core breakthroughs within the company's e-drive system, are gradually moving from experimental validation to scaled application, driving construction machinery and special-purpose vehicles towards higher efficiency, intelligence, and environmental friendliness. Moving forward, PUMBAAEV will continue to be customer-demand oriented, working hand-in-hand with partners to build an open, efficient, and sustainable EV powertrain ecosystem, contributing to the green upgrade of global infrastructure and low-carbon transformation of the industry.

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About PUMBAAEV​

PUMBAAEV specializes in the R&D, manufacturing, and system integration of electrified powertrains for construction machinery and special-purpose vehicles, providing complete solutions including flat-wire motors, e-Drive Axles, intelligent drive controllers, energy management systems, and thermal management solutions. To obtain product brochures, technical white papers, or business cooperation information, please visit the company's official website or contact our technical and business teams through the exhibition or official channels.