- 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, an epitome of state-of-the-art precision engineering. Crafted with excellence from top-tier polyester-grade ethylene glycol, it boasts a sophisticated blend of organic carboxylate compound corrosion inhibitors and ultra-pure water—a formulation like no other. Operating seamlessly within an expansive temperature range from -55ºC to 120ºC, its formidable freezing point range of -60ºC to -20ºC ensures flawless performance. Pre-diluted for your convenience, it embodies the zenith of coolant solutions for charging pile systems, guaranteeing peak performance and seamless functionality.
Characteristics and Usage
-Raising the bar for thermal conductivity, this innovative coolant revolutionizes temperature control for charging pile systems, delivering unmatched thermal management that drives exceptional efficiency and performance.
-With unparalleled metal corrosion resistance and perfect compatibility with non-metal materials, it not only prolongs the lifespan of your charging pile temperature control system but also offers meticulous protection of your investment with superior precision and care.
-Boasting an extraordinary service life of up to an impressive 10 years, this coolant dramatically reduces maintenance costs, providing an economically savvy solution for long-term, dependable operation that stands the test of time.
Demonstrating exceptional anti-freezing properties, this coolant serves as a steadfast guardian, protecting your equipment from potential harm caused by liquid freezing and expansion, thereby maintaining system integrity even under the harshest conditions.
-Exemplifying remarkable environmental responsibility, this eco-friendly coolant is free from phosphorus, amine, nitrite, nitrate, molybdate, and other inorganic salts, making it the ideal choice for environmentally conscious consumers.
-Completely compliant with EU RoHS, REACH, and other stringent global standards, this coolant ensures adherence to the highest international safety and environmental protection criteria.
| 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. stands as a beacon of innovation and leadership, nestled in the distinguished Hefei National High-Tech Industrial Development Zone. Boasting an expansive facility of 560 acres, we lay the groundwork for revolutionary advancements in technology. As specialists in high-performance materials for surface treatment, we lead the charge in creating innovative materials specifically engineered for cutting-edge cooling systems in new energy technologies. Our expertise shines through in the meticulous manufacturing of aerospace components and the sophisticated execution of advanced electronic plating processes. Furthermore, we excel in the engineering of custom-designed equipment for surface treatment applications, guaranteeing top-tier performance and unparalleled quality.custom-engineered equipment for surface treatment.Our company is revered for its extraordinary research capabilities, exemplified by our pivotal involvement in 7 essential national scientific research projects. Our steadfast commitment to innovation is showcased through an impressive collection of 79 national invention patents. As pioneers in the industry, we have been instrumental in the development and establishment of 16 crucial national and industry standards. Our rich and varied portfolio includes 29 proprietary technologies, earning us 3 esteemed awards for scientific and technological advancement across national, provincial, and municipal levels. Our unyielding pursuit of excellence enables us to continuously establish new standards and surpass industry expectations.

Leading the Liquid Cooling Revolution: Hefei Huaqing High Tech Surface Technology Co., Ltd. is passionately dedicated to revolutionizing the industrial landscape with our Liquid Cooling Division. We offer a diverse range of top-tier, eco-friendly coolants, innovative heat transfer fluids, and state-of-the-art liquid cooling solutions, all crafted for superior performance. Through enduring alliances and the adoption of transformative technologies, we champion the widespread implementation of high-performance, environmentally responsible coolants. Our innovations meet the rigorous demands of new energy vehicles, energy storage systems, wind power installations, and data centers. By collaborating with upstream and downstream entities, we strive for mutually beneficial outcomes, paving the way for a more sustainable, greener industry future, and setting new benchmarks for excellence.
Revolutionizing Production Efficiency: Our unwavering pursuit of production excellence sets us apart. Through focused process optimization and the integration of pioneering technologies, we ensure our manufacturing capabilities are not only exceptionally efficient but also environmentally sustainable, meeting the escalating demands of the modern era and establishing new standards of industry excellence.
At the Forefront of Innovation: The Huaqing New Material Production Center boasts advanced infrastructure, featuring 12 high-tech coolant production lines, 6 fully automated surface treatment lines, and 2 coating lines, achieving an impressive annual output of 200,000 tons. Utilizing eco-conscious raw materials and breakthrough technologies, our center is a paragon of sustainability, minimizing environmental impact from its core. This unwavering dedication to eco-friendly production is pivotal in advancing sustainable growth and industrial progress in both surface treatment and liquid cooling domains.
Strategic Geographical Supremacy: Our premier geographical location is more than an asset; it exemplifies our commitment to excellence and accessibility. Strategically positioned for optimal reach, we provide our clients with unmatched logistical benefits and a comprehensive support network throughout the region, reinforcing our dedication to delivering superior service.
Strategically Located Huaqing Hefei Surface Treatment Base: Spanning an impressive 560 mu, this state-of-the-art facility features an advanced wastewater treatment center with a daily capacity of 10,000 cubic meters. This pioneering base is evolving into a dynamic 'high-tech park, ecological park, cultural park, and economic park,' offering unparalleled engineering expertise and comprehensive support services for surface treatment and innovative liquid-cooled new materials across East China and beyond, setting new standards in industry innovation.
Forging Groundbreaking Alliances with Leading Universities: By partnering with prestigious academic institutions, we bridge the gap between research and practical application, nurturing a culture of continuous innovation and growth. These strategic partnerships propel us forward, ensuring our technological advancements remain at the industry's forefront.
Expansive Huaqing Hefei Surface Treatment Base: Expanding over an extensive 560 mu, this cutting-edge facility is equipped with an innovative wastewater treatment plant with a daily processing capacity of 10,000 cubic meters. Designed to transform into a 'high-tech park, ecological park, cultural park, and economic park,' this base is set to provide exceptional engineering and technical support, along with comprehensive auxiliary services for surface treatment and pioneering liquid-cooled new materials, serving clients across East China and the broader national landscape with unparalleled expertise.



Q1: What types of antifreeze are available and for which scenarios?
A: Organic Acid Type (OAT) is 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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