Are You Facing These Thermal Management Challenges?

Applications

EVLINK Technology’s high-voltage PTC water heater is widely used in electric buses, electric heavy-duty trucks, electric light trucks, mining trucks, and energy storage thermal management systems.

About Us

Evlink was founded in 2020, specializing in the R&D and manufacturing of automotive-grade high-voltage, high-power coolant heaters. Our core team brings over 10 years of experience in the electric vehicle components industry.

In 2025, the company achieved an annual revenue of nearly RMB 200 million, with a workforce of 400 employees, including 80 R&D engineers.

Our core business focuses on electric heating solutions for thermal management systems in commercial vehicles. We offer high-voltage coolant heaters with a voltage range of 600V–1100V and power output from 3kW to 35kW. Our mass-produced models reach a maximum rated voltage of DC 870V and a maximum rated power of 35kW, placing our technical performance at the forefront of the industry.

Our Team

The company operates a modern production base covering 18,000 square meters, equipped with advanced manufacturing facilities and a professional management team.

With 16 years of industry experience, we have established a senior R&D team of over 80 experts, specializing in hardware, software, and system integration.

18000m² | 80+ | 65+ | 30+

Factory Area R&D Engineers Export Countries Production Lines

Certifications & Patents

Our patented technologies reflect our continuous innovation in high-voltage PTC heating systems, ensuring efficiency, safety, and long-term reliability.

Production Process

Backed by a professional R&D team and extensive project experience, we provide customized development and system integration services for high-voltage liquid heaters based on customers’ actual operating conditions, achieving optimized thermal management performance and better vehicle compatibility.

FAQ

Q: How to choose the right PTC water heater?
A: Please provide the following parameters to help with selection:

· Application scenario (bus / heavy-duty truck)

· Intended use (battery heating, cabin heating, regenerative braking energy recovery)

· Operating conditions

· Operating voltage range

· Rated voltage and power

· Battery type and capacity

· Target outlet water temperature

· Ambient operating temperature

· Coolant flow rate

· Installation space

Q: How does a PTC water heater work?
A: The PTC heater works by passing electric current through PTC ceramic material. The material’s resistance increases as temperature rises, automatically adjusting the heating power to maintain a constant temperature.

Q: Which vehicle types is it suitable for?
A: Suitable for most electric buses, electric trucks, and electric construction machinery (excavators, loaders, etc.).

Q: How does it perform in low-temperature environments?
A: PTC heaters remain stable in low-temperature conditions, making them ideal for electric vehicles in cold regions.

Q: What are the core advantages of EVLINK PTC water heaters?
A: High reliability, fast and uniform heating, patented thermal expansion control, moisture protection, and exceptional performance under extreme conditions.

Q: Is customized development supported?
A: Yes. Common customization options include:

· Power rating (3 kW – 35 kW)

· Voltage platform (400 V – 800 V)

· Communication protocol (CAN / EN enable)

· Mounting bracket design and dimensions

· High-voltage and low-voltage connectors

Q: Is OEM/ODM customization available?
A: Yes. Options include:

· Power and voltage customization

· Connector types

· Communication protocols (CAN, etc.)

· Appearance and mounting structure

Q: What is the lead time?
A: Minimum order quantity: 1 unit. Sample delivery within 7 days. Agile development ensures rapid response to changing requirements.

Q: Are certifications available?
A: The product meets automotive-grade standards and can provide certifications such as CE, ISO, and E-Mark.

Q: Are sample tests supported?
A: Yes. Samples can be provided for performance verification and vehicle integration testing.

Q: Does it support full vehicle system integration?
A: Yes. Integration with the vehicle control system is possible via CAN communication.

1. The heater complies with international standards and certifications, ensuring adherence to quality, safety, and regulatory requirements.
2. It is backed by comprehensive technical support and customer service, ensuring a seamless user experience and satisfaction.
3. Our PTC Heater for Electric Vehicles is a trusted solution for efficient and reliable cabin heating in electric vehicles, providing optimal passenger comfort and enhancing the overall driving experience.

Product Introduction:

The EVLINK HVCH A series heralds a new era in vehicle heating solutions. Developed through a robust collaboration between EVLINK and the esteemed University of Shanghai for Science and Technology, this high-voltage PTC heater is a beacon of innovation and efficiency. Our combined efforts have birthed a product that stands at the pinnacle of technological advancement, offering not just unparalleled heating solutions but also fostering sustainable energy use.

Product Attributes

ØTechnologically Advanced Control System: Engineered with an in-house developed control system, the heater adapts quickly to varying environmental conditions, providing consistent performance and enhanced safety.

ØEco-Friendly Operation: A testament to our commitment to sustainability, the EVLINK heater operates at a high efficiency, reducing energy consumption and minimizing environmental impact.

ØCustomized Solutions: At EVLINK, we offer tailored solutions to meet your specific needs, from customized heating programs to unique design adaptations for seamless integration into various vehicle models.

Applications

As the preferred heating solution in the harsh Korean winters, the EVLINK HVCH A series has become synonymous with reliability and efficiency. Integrated extensively in electric buses, it ensures passengers are greeted with a warm and comfortable interior, even as temperatures outside plummet to extreme lows.

Our Services

Our expansive service network is one of the crowning jewels in our offering. We believe in not just providing a product, but also forging lasting relationships with our clients through exceptional after-sales services.

Expert Training and Guidance: Our specialists are deployed to offer on-ground training to bus operators, ensuring the optimum use of our heaters and fostering a safe and comfortable environment for passengers.

24/7 Customer Support: Our dedicated customer support is available round the clock, ready to assist with any queries or issues you may encounter, thus guaranteeing uninterrupted service and customer satisfaction.

Regular Maintenance and Check-Ups: To ensure longevity and consistent performance, our team conducts regular maintenance check-ups, preemptively addressing any potential issues and offering timely solutions.

Competitive Advantages

Pioneering R&D Collaboration: Our partnership with the University of Shanghai for Science and Technology has fostered a product steeped in research and innovation, standing as a benchmark in the industry.

Sustainable and Efficient: The EVLINK HVCH A series is a beacon of sustainability, offering high efficiency and reducing the overall carbon footprint.

Comprehensive After-Sales Network: Our extensive service network ensures that our clients receive uninterrupted support and services, fostering long-term relationships built on trust and reliability.