Automotive Electric Motor Conversion Kit
For High Speed Rail And Transit

We used to source motors globally, but those suppliers rarely allowed any design modifications. Working with PUMBAA has completely changed that. I can request various custom design changes based on project needs — whether for their Permanent Magnet Synchronous Motors (PMSM), Motor Controller Units (MCU), or Integrated E-Axles — they always accurately understand our drawings and deliver on time. The product precision is extremely high, fully meeting our specifications.

Unlike other suppliers who only offer standard catalog items, PUMBAA truly provides a "one-stop" electric drive platform solution. They customized the 66/123kW Central E-Axle for our electric logistics vehicles and adapted the high-voltage power supply system (CDU) for our electric bus project, executing every detail perfectly. I have personally visited their factory and was deeply impressed by their production technology, thermal management solutions, and professional vehicle integration capabilities.

For me, PUMBAA is far above the average Chinese supplier. They not only listen to requirements but also efficiently implement our specific designs. This deep customization capability and technical support in the field of commercial electric vehicle drive systems have left us very satisfied.

In the past, sourcing motors globally presented a significant challenge regarding customization — what we often received were standard products, not solutions truly optimized for our projects. This situation completely changed when we started working with PUMBAA.

Whether we needed adjustments to mounting interfaces, optimization of electromagnetic performance, or adaptations for specific operating environments, they consistently demonstrated a precise understanding of our technical drawings and requirements, providing feasible improvement solutions. What's even more remarkable is that every design change was implemented within the agreed timeframe. From prototyping to mass production, they maintained exceptionally high manufacturing consistency throughout the process, and the conformity between the physical products and the drawings was impressive.

I have personally visited their production facility. From winding and assembly to inspection, every step was rigorously controlled. The professional attitude and rapid response capability of their engineering team gave me great confidence. For us, they are more than just a supplier; they feel like an extension of our own manufacturing team — proactively listening, efficiently executing, and continuously collaborating.

Doing business with PUMBAA is seamless. When we encounter technical challenges — whether during the integration of their Central E-Axle into our logistics vehicles or fine-tuning the Motor Controller Unit (MCU) for optimal performance — their engineering team provides precise, clear solutions faster than we anticipate. I consider them a true partner; visiting their R&D center feels like collaborating with an extension of our own team because their approach is so professional and distinct from typical catalog suppliers.

They don't just sell components like PMSM motors or power supply CDUs; they provide a holistic electric drive platform solution and stand behind it. For every problem we face, from thermal management strategies to whole-vehicle matching for our electric bus chassis, we get actionable answers that make complex projects manageable. To us, that depth of technical support and reliable partnership is invaluable, and it's the core reason we value this collaboration so highly.

PUMBAA has redefined our model of collaboration with suppliers. They not only focus on quality, cost, and delivery but have also brought us the core "value-creating capability."

This is reflected in three aspects: first, a renewed perspective on cost — they pursue the optimal total lifecycle cost, and their solutions enhance the energy efficiency of our overall systems and our product competitiveness; second, building "transparent resilience" — they proactively share supply chain information, transforming their risk mitigation capacity into certainty for our projects; third, serving as a "technology bridge" — they rapidly translate cutting-edge technologies into robust, adoptable solutions for us, accelerating our technological iteration.

Therefore, PUMBAA has evolved from a component supplier into a "value co-creation partner." What they provide is not just high-quality parts but, more importantly, the key capabilities to reduce systemic risk, enhance product value, and accelerate technological evolution. This has fundamentally changed our standards for selecting core partners.