- 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 beacon of cutting-edge precision engineering. Masterfully crafted from premium polyester-grade ethylene glycol, it features an enriched blend of organic carboxylate compound corrosion inhibitors and ultra-pure water—an unparalleled formulation. With its impressive freezing point range of -60ºC to -20ºC, this avant-garde coolant operates flawlessly within a broad temperature spectrum from -55ºC to 120ºC. Conveniently pre-diluted for immediate use, it embodies the pinnacle of coolant solutions for charging pile systems, ensuring optimal performance and seamless operation.
Characteristics and Usage
-Elevating thermal conductivity to new heights, this advanced coolant sets a new benchmark in temperature control for charging pile systems, ensuring consistent and unparalleled thermal management for outstanding efficiency.
-Offering exceptional metal corrosion resistance and seamless compatibility with non-metal materials, it not only extends the service life of your charging pile temperature control system but also meticulously protects your investment with superior precision and care.
-With an extraordinary service life extending up to an impressive 10 years, this coolant significantly reduces maintenance expenses, providing an economically sound solution for long-lasting, reliable operation that endures over time.
Exceptional in its anti-freezing capabilities, this coolant acts as a stalwart protector, safeguarding your equipment from potential damage caused by liquid freezing and expansion, thus preserving system integrity even in the harshest conditions.
-Showcasing remarkable environmental performance, this eco-friendly coolant is devoid of phosphorus, amine, nitrite, nitrate, molybdate, and other inorganic salts, making it the preferred choice for environmentally conscious users.
-Fully compliant with EU RoHS, REACH, and other rigorous global standards, this coolant ensures adherence to the pinnacle of 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 an illustrious beacon of technological innovation. Strategically nestled in the renowned Hefei National High-Tech Industrial Development Zone, our expansive facility spans an impressive 560 acres, serving as the cornerstone of our pioneering advancements in cutting-edge technology. We are dedicated maestros in the realm of advanced materials, precisely engineered for surface treatment, and are at the forefront of evolving pioneering materials ingeniously crafted for cooling systems in the realm of new energy technologies. Our unmatched expertise shines brightly in the meticulous manufacturing of aerospace components and the sophisticated execution of advanced electronic plating processes. Furthermore, we pride ourselves on crafting bespoke equipment tailored specifically for surface treatment applications, ensuring not only supreme performance but also unparalleled quality.bespoke equipment for surface treatment.Our company is renowned for its extraordinary research capabilities, firmly demonstrated by our active participation in 7 pivotal national scientific research projects. Our unyielding commitment to innovation is epitomized by our formidable portfolio of 79 national invention patents. As industry pioneers, we have been instrumental in the development and establishment of 16 fundamental national and industry standards. Our extensive and diverse array of proprietary technologies is highlighted by 29 innovative solutions that have garnered us 3 esteemed awards for scientific and technological advancement at national, provincial, and municipal levels. Our relentless pursuit of excellence propels us to consistently set new benchmarks, firmly exceeding industry expectations.

Leading the Liquid Cooling Revolution: Hefei Huaqing High Tech Surface Technology Co., Ltd. is passionately driving the next generation of industrial transformation in liquid cooling materials. Our mission is to provide an all-encompassing selection of high-efficiency, eco-friendly coolants, heat transfer fluids, and pioneering liquid cooling solutions, precisely designed for superior performance. By embracing transformative technological advancements and nurturing enduring partnerships, we champion the widespread adoption of high-performance, environmentally responsible coolants. These state-of-the-art innovations are crafted to meet the rigorous demands of new energy vehicles, energy storage systems, wind power installations, and data centers, among others. In collaboration with both upstream and downstream partners, we strive for mutually beneficial outcomes, collectively paving the way for a more sustainable, eco-friendly future while setting new benchmarks for industry excellence.
Revolutionizing Production Efficiency: Our unwavering pursuit of production excellence sets us apart. By focusing on process optimization and leveraging state-of-the-art technologies, we ensure our production capabilities are not only exceptionally efficient but also sustainably geared to meet the ever-increasing demands of the modern age, establishing a new standard for industry achievement.
At the Forefront of Innovation: The Huaqing New Material Production Center is a beacon of modern infrastructure, featuring 12 high-tech coolant production lines, 6 fully automated surface treatment lines, and 2 coating lines, leading to an impressive annual output of 200,000 tons. Utilizing eco-conscious raw materials and groundbreaking technologies, our center stands as a pillar of sustainability, minimizing environmental impact at its core. This unwavering commitment to clean production is crucial in promoting sustainable advancement in both the surface treatment and liquid cooling domains.
Strategic Geographical Supremacy: Our superior geographical location is more than an advantage; it is a testament to our dedication to accessibility and excellence. Strategically positioned for optimal coverage, we ensure our clients enjoy unparalleled logistical benefits and an extensive support network throughout the region, reinforcing our commitment to delivering exceptional service.
Strategically Located Huaqing Hefei Surface Treatment Base: Spanning a vast 560 mu, this state-of-the-art facility includes an advanced wastewater treatment center with a daily capacity of 10,000 cubic meters. This innovative base is evolving into a dynamic 'high-tech park, ecological park, cultural park, and economic park,' offering unmatched engineering expertise and comprehensive support services for surface treatment and cutting-edge liquid-cooled new materials across East China and beyond, setting new standards in industry innovation.
Forging Groundbreaking Alliances with Leading Universities: By establishing partnerships with esteemed academic institutions, we bridge the gap between research and practical application, nurturing a culture of continuous innovation and growth. These strategic alliances drive us forward, ensuring our technological advancements remain at the industry's forefront.
Expansive Huaqing Hefei Surface Treatment Base: Covering an extensive 560 mu, this state-of-the-art facility features an innovative wastewater treatment plant with a daily processing capacity of 10,000 cubic meters. Designed to evolve into a 'high-tech park, ecological park, cultural park, and economic park,' this base is set to deliver exceptional engineering and technical support, along with comprehensive auxiliary services for surface treatment and groundbreaking liquid-cooled new materials, serving clients across East China and the broader national landscape with unrivaled proficiency.



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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