- Overview
- Product Introduction
- Main Product
- Company Profile
- Company Advantage
- Our Certificate
- Exhibition
- Packaging & Shipping
- FAQ
Basic Info.
Product Description
Introducing the HQ-C2 Series Charging Pile Coolant, a precision-engineered marvel crafted from polyester-grade ethylene glycol and enriched with a complex symphony of organic carboxylate compound corrosion inhibitors and ultra-pure water. This state-of-the-art coolant offers bespoke freezing points ranging from an astonishing -60ºC to -20ºC, while delivering a remarkable operating temperature bandwidth from -55ºC to 120ºC. Pre-diluted for your convenience and ready for seamless deployment, it stands as the ultimate solution for charging pile cooling systems, ensuring flawless and efficient operation.
Characteristics and Usage
-Exhibiting exceptional thermal conductivity, this cutting-edge coolant revolutionizes temperature control capabilities within charging pile systems, guaranteeing consistent and reliable thermal management to perfection.
-Showcasing superior metal corrosion resistance and harmonizing compatibility with non-metal materials, it significantly prolongs the service life of the charging pile temperature control system, effectively safeguarding your valuable investment.
-Boasting an extraordinary service life that extends up to an impressive 10 years, it dramatically reduces maintenance expenses, presenting a highly cost-effective solution for prolonged and reliable operation.
With outstanding anti-freezing prowess, it effectively prevents equipment damage from liquid freezing and expansion, meticulously preserving system integrity even under extreme conditions.
-Showcasing remarkable environmental performance, this coolant is devoid of phosphorus, amine, nitrite, nitrate, molybdate, and other inorganic salt components, rendering it an environmentally conscious and responsible choice.
-Fully compliant with EU RoHS, REACH, and other stringent global regulations, ensuring it upholds international standards for safety and environmental protection.
| Project | HQ-C2-35 | Test method | ||
| Appearance | No precipitation or suspended matter, clear and transparent liquid | Visual estimation | ||
| Color | Red | Visual estimation | ||
| Density(20.0ºC)/(g/cm3) | 1.074 | SH/T 0068 | ||
| Freezing point/ºC | -36.8 | SH/T 0090 | ||
| Boiling point/ºC | 108.2 | SH/T 0089 | ||
| pH value | 8.8 | SH/T 0069 | ||
| Chlorine content/(mg/kg) | 3 | SH/T 0621 | ||
| Reserve alkalinity/ml | 6.1 | SH/T 0091 | ||
| The impact on automotive organic coatings | No impact | SH/T 0084 | ||
| Corrosion of glassware (88ºC±2ºC, 336h±2h) |
Change in mass (mg/Test piece) |
Purple copper | 0.5 | SH/T 0085 |
| Brass | 0.4 | |||
| Steel | 0.1 | |||
| Cast aluminum | 1.2 | |||
| 6-series aluminum | 0.8 | |||
| 4-series aluminum | 1.0 | |||
| 3-series aluminum | 1.5 | |||
| Bubble tendency (70ºC±1ºC) |
Foam volume/ml | 45 | SH/T 0066 | |
| Foam disappearance time/s | 1.2 | |||
Hefei Huaqing HighTech Surface Technology Co., Ltd. is strategically positioned in the prestigious Hefei National High-Tech Industrial Development Zone, a hub of innovation and excellence. Our expansive facility spans an impressive 560 acres, providing a robust foundation for our leadership in cutting-edge technological advancements. Specializing in advanced materials for surface treatment, we are at the forefront of pioneering materials designed for the cooling of new energy systems. Our expertise extends to the precision manufacturing of aerospace components and state-of-the-art electronic plating processing. Furthermore, we excel in developing custom-tailored equipment specifically for surface treatment applications, ensuring top-tier performance and quality.tailored equipment for surface treatment.
Our company prides itself on its formidable research capabilities, which are highlighted by our involvement in 7 major national scientific research projects. Our unwavering dedication to innovation is reflected in our impressive acquisition of 79 national invention patents. As leaders in the field, we have played a pivotal role in the development and establishment of 16 national and industry standards. Our extensive portfolio includes 29 proprietary technologies, which have earned us 3 prestigious awards for scientific and technological progress at the national, provincial, and municipal levels. Our commitment to excellence is unwavering, driving us to continue setting new benchmarks in the industry.

The Liquid Cooling Division of Hefei Huaqing High Tech Surface Technology Co., Ltd. is passionately devoted to pioneering the industrialization of advanced liquid cooling materials. Our mission centers on delivering or tailoring a diverse array of high-performance, eco-conscious coolants, heat transfer fluids, and innovative liquid cooling technology solutions. By fostering enduring partnerships and embracing cutting-edge technological advancements, we facilitate the widespread commercial adoption of high-performance, environmentally friendly coolants. These solutions are adept at meeting the rigorous demands of new energy vehicles, energy storage systems, wind power facilities, data centers, and many more sectors. We earnestly collaborate with upstream and downstream enterprises to achieve mutually beneficial outcomes, collectively paving the way for a cleaner, more sustainable future.
Leading the Charge in Production Efficiency: Our commitment to excellence in production efficiency sets us apart. With a focus on optimizing processes and leveraging advanced technologies, we ensure that our production capabilities are not only efficient but also sustainable, supporting the growing demands of the modern world.
Located at the forefront of innovation, the Huaqing New Material Production Center boasts an impressive infrastructure with 12 state-of-the-art coolant production lines, 6 fully automated surface treatment lines, and 2 coating lines, all contributing to an extraordinary annual output of 200,000 tons. Leveraging eco-friendly raw materials coupled with pioneering technologies, our center stands as a beacon of sustainability, effectively neutralizing environmental pollution at its source. This commitment to clean production significantly enhances the sustainable growth and industrial advancement of the surface treatment and liquid cooling industries.
Strategically Prized Geographical Position: Our strategic location is more than just an advantage-it's a testament to our commitment to accessibility and excellence. Positioned for optimal reach, we ensure that our clients benefit from unmatched logistical advantages and an expansive network of support across the region.
The Huaqing Hefei Surface Treatment Base, strategically located over an expansive 560 mu, is equipped with a cutting-edge wastewater treatment center capable of processing 10,000 cubic meters of sewage daily. This visionary base is set to evolve into a dynamic 'high-tech park, ecological park, cultural park, and economic park,' offering unrivaled engineering expertise and comprehensive support services for surface treatment and liquid-cooled new materials across East China and beyond.
Forge Influential Alliances with Leading Universities: By partnering with esteemed academic institutions, we bridge the gap between research and practical application, fostering an environment of innovation and growth. These alliances propel us forward, ensuring that our technological advancements remain at the forefront of the industry.
The Huaqing Hefei Surface Treatment Base, occupying a sprawling 560 mu, is equipped with a state-of-the-art wastewater treatment facility that boasts a daily processing capacity of 10,000 cubic meters. Designed to transform into a 'high-tech park, ecological park, cultural park, and economic park,' the base is poised to deliver top-tier engineering and technical support, alongside extensive auxiliary services for surface treatment and liquid-cooled new materials, catering to clients throughout East China and the wider national landscape.



Q1: What types of antifreeze are available and for which scenarios?
A: Organic Acid Type (OAT) and Inorganic Salt Type (IAT) are available for petrol, diesel, electric vehicles and industrial equipment cooling systems.
Q2: What is the main ingredient of antifreeze and is it environmentally friendly?
A: This product adopts ethylene glycol/propylene glycol based formula with high efficient corrosion inhibitor and antioxidant, which complies with RoHS, REACH environmental protection standards and is non-toxic and harmless.
Q3: What international certifications have the products passed?
A: Certifications include: ISO9001, ISO14001, ISO45001.
Q4: What are the packaging specifications and do you support customization?
A: Standard specification: 25L/200L/1000L drum, support LOGO printing, leak-proof packaging customization, accept OEM/ODM service.
Q5: What is your terms of delivery?
A: FOB,EXW.
Q6: What is your terms of payment?
A: We support T/T and L/C payments. T/T payment requires a 30% deposit when placing an order and 70% of the final payment before shipping.
Q7: How long does it take from order to delivery?
A: Bulk orders 15-30 days (depending on order quantity).

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