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 is compatible with different power sources, including AC and DC, providing flexibility in power supply options.
2. It is designed to be environmentally friendly, with low emissions and energy-efficient operation.
3. The PTC heater is equipped with advanced control features, such as remote monitoring and control capabilities, for enhanced convenience and flexibility.

Product Introduction

As the electric vehicle sector evolves, maintaining an optimal temperature within the vehicle and for the battery becomes crucial. The HVCH QA01-Liquid heater Series stands as a pioneering solution in this sector, offering a versatile heating system equipped with state-of-the-art features that make it an indispensable tool in promoting vehicular comfort and functionality.

Product Features:

Ultimate Water Resistance: Designed to withstand the harshest environmental conditions, this high voltage coolant heater offers IP 67 certification for water and dust resistance, promising unfaltering performance even in wet and muddy circumstances.

Variable Performance Regulation: With its advanced technology, it allows seamless regulation of water outlet temperature or the restriction of maximum heat output or power usage. Having been deployed in thousands of vehicles over the past three years, its superior quality is widely recognized and appreciated by customers.

Double Layered Self-Protection System: Incorporated with a dual protection mechanism that includes mechanical and electronic devices, it guarantees safety against potential hazards such as short circuits, overload, or over-temperature situations. The system is further fortified with a high voltage relay and a current fuse in the high-voltage circuit.

Absolute Separation of Water and Electricity: Overcoming the challenges faced by many manufacturers, this series perfectly balances heat transmission efficiency with the insulation requirements of DC 3500 V. This innovative approach enabled the mass production of products with a nominal voltage of 870V in 2021, which have found significant usage in heavy dump trucks.

Self-Regulating PTC Thermistor Heater: The inclusion of PTC technology ensures that the heating elements adjust their power dynamically without surpassing a predetermined maximum temperature, offering a combination of high reliability and energy efficiency without requiring additional switching components.

Application:

In a bid to guarantee safe journeys in challenging climate conditions, vehicles equipped with this system can readily adapt from the get-go. Boasting a robust power output ranging from 15 to 25kW, it adeptly meets the heating, defrosting, and battery heating demands of large vehicles. The customizable features allow adjustments as per customer requirements, including alterations in voltage and power, enhancing user satisfaction and convenience.

Our Services:

Direct Supply: We can directly cater to your needs, eliminating agent fees and reducing your expenditure.

Bulk Order Discounts: Avail substantial discounts on bulk orders, with the welcoming of trial orders as well.

24-Hour Inquiry Response: Our team is committed to addressing your inquiries within a 24-hour window.

Competitive Pricing: Our pricing structure is designed to be both reasonable and competitive.

Manufacturer Strength: As manufacturers, we bring strong industry standing and capabilities.

Customer-Centric Approach: We remain devoted to fulfilling your demands at every possible level.

Competitive Advantage:

Safety and Reliability: Upholding the highest standards of safety and reliability.

Customized OEM Solutions: Offering OEM solutions that are tailored to your design preferences.

Consistent Performance: Guaranteeing stable and consistent performance under various conditions.

Superior Insulation: Featuring water-proof characteristics coupled with remarkable insulating properties.

Resilience against Dry Burning: Demonstrating excellent resilience against dry burning occurrences.

High-End Specifications: Characterized by high voltage, power, intelligence, and reliability, setting new benchmarks in the industry.

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.

EVLINK was established in 2017 with a registered capital of 20 million CNY. It is located at
the junction of Kunshan, Suzhou, and Jiading, Shanghai, covering a factory area of about 5000 square meters.
We have advanced production equipment and a highly qualified management team. EVLINK has passed the
IATF 16949 - automotive industry quality management system certification, and our products have also obtained
various domestic and international certifications, including Emark, EMC, CE, and KC. Our company has over 100
employees, including 20 people in our R&D and engineering department, as well as our hardware and software
teams. Leveraging our extensive technical and manufacturing experience, EVLINK strives to meet market demands.
We are committed to providing our customers with the best AC and DC heaters and offering customized controller services.

      EVLINK Electronics Co.,Ltd is a manufacturer focusing on the design and development of PTC electric heater and its controller.

We has accumulated 10 years of technology and production experience in the field of new energy electric vehicles. In the past 10 years,

we have expanded our main business to the heating solution in new energy electric vehicles, fuel cells, battery thermal management,

energy storage, railway electrification and others.

        Since its establishment, EVLINK has always adhered to the business principle of developing the market with integrity, consolidating the

market with quality, and winning the market with service.It has continuously been innovating and advancing. EVLINK strives to become a globally

renownedPTC heater supplier, maintaining a highly meticulous work attitude.