Are You Facing These Thermal Management Challenges?

Vibration Testing

EVLINK has successfully completed comprehensive water circulation and power-on performance testing for its Q Series PTC Coolant Heaters at the laboratory facilities of Shanghai University of Engineering Science (SUES).

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. It is designed to work efficiently even in extreme cold weather conditions, ensuring reliable heating performance.
2. The heater is energy-efficient, helping to extend the driving range of electric vehicles by minimizing the impact on battery power.
3. It offers customizable heating settings, allowing users to tailor the temperature to their preferences.

Product Introduction:

Step into a world where innovation meets excellence with the EVLINK HVCH QA01 series. Developed through an esteemed collaboration between EVLINK and the University of Shanghai for Science and Technology, this high-voltage PTC heater series is designed to redefine comfort and convenience in vehicular heating solutions. From its groundbreaking technology to its energy-efficient operations, discover a product that promises an unmatched experience in quality and reliability.

Specification:

Product Attributes

Technologically Advanced Control System: Crafted with a unique and responsive control system, this series adapts swiftly to various environmental challenges, promising consistent and optimum performance at all times.

Green Operation: Our heater not only ensures a cozy environment but also champions environmental responsibility by minimizing energy consumption and promoting green operation.

Customization at its Best: Tailored to meet diverse requirements, EVLINK offers customization that integrates seamlessly into different vehicle blueprints, promising an uncompromised and personalized experience.

Applications

The EVLINK HVCH QA01 series has emerged as the beacon of warmth and comfort during the brutal Korean winters. A favored choice in electric buses, it guarantees a haven of warmth, ensuring a pleasant and comfortable journey even when the temperatures outside reach extreme lows.

Our Services

EVLINK takes pride in its extensive service network that stands as a pillar of trust and reliability. Our services transcend the traditional boundaries, fostering long-term relationships with our clients.

Expert Training and Guidance: A team of seasoned experts offer comprehensive training to bus operators, ensuring that the heaters function at their optimum, thus promising a secure and congenial environment for passengers.

Round-the-Clock Customer Support: With an unwavering commitment to customer satisfaction, our dedicated customer service is available 24/7 to assist with any queries or support you may need, guaranteeing a seamless and uninterrupted experience.

Scheduled Maintenance and Inspections: Our meticulous maintenance and inspection regime promises longevity and unwavering performance, with preemptive solutions to potential issues, ensuring a hassle-free operation.

Competitive Advantages

Groundbreaking R&D Collaboration: Our collaborative effort with the University of Shanghai for Science and Technology marks a milestone in industry innovation, presenting a product that is a blend of research and advanced technology.

Energy-Efficient Marvel: The EVLINK HVCH QA01 series is a testament to sustainable innovation, offering high efficiency and championing a reduced carbon footprint.

Unmatched After-Sales Service Network: The cornerstone of our brand, our extensive after-sales service network, stands as a beacon of trust and reliability, promising a customer experience that is gratifying and fulfilling.