- 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 masterpiece of precision and innovation, representing the zenith of coolant technology. Expertly formulated with premium polyester-grade ethylene glycol, it includes a sophisticated blend of organic carboxylate compound corrosion inhibitors and ultra-pure water, creating an unrivaled solution. With a freezing point range of -60ºC to -20ºC, this state-of-the-art coolant performs flawlessly across temperatures from -55ºC to 120ºC. Ready-to-use with its pre-diluted formula, it embodies the ultimate in coolant solutions for charging pile systems, ensuring superior performance and seamless operation.
Characteristics and Usage
-This groundbreaking coolant elevates thermal conductivity to unprecedented levels, setting a new benchmark in temperature regulation for charging pile systems. It delivers unmatched thermal management, ensuring exceptional efficiency and performance.
-With outstanding metal corrosion resistance and flawless compatibility with non-metal materials, it not only enhances the longevity of your charging pile temperature control system but also meticulously safeguards your investment with unrivaled precision and care.
-Boasting an extraordinary service life of up to a remarkable 10 years, this coolant significantly lowers maintenance costs. It offers an economically advantageous solution for enduring, reliable operation that withstands the test of time.
Renowned for its exceptional anti-freezing properties, this coolant serves as a steadfast guardian, protecting equipment from potential damage due to liquid freezing and expansion, thereby maintaining system integrity in even the harshest environments.
-Exemplifying remarkable environmental stewardship, this eco-friendly coolant is free from phosphorus, amine, nitrite, nitrate, molybdate, and other inorganic salts, making it the top choice for environmentally conscious users.
-Fully complying with EU RoHS, REACH, and other stringent global standards, this coolant upholds the highest international safety and environmental protection benchmarks.
| 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 at the forefront of technological innovation, proudly situated in the renowned Hefei National High-Tech Industrial Development Zone. Our expansive facility, spreading majestically over 560 acres, serves as the powerhouse for our cutting-edge advancements in technology. As dedicated specialists in advanced materials for surface treatment, we are leading the charge in the evolution of revolutionary materials meticulously crafted for cooling systems in the burgeoning field of new energy technologies. Our expertise shines brightly in the precise creation of aerospace components and the sophisticated execution of advanced electronic plating processes. Additionally, we excel in designing and crafting bespoke, performance-driven equipment specifically tailored for optimal surface treatment applications, ensuring unmatched quality and exceptional performance.bespoke equipment for surface treatment.Our company is renowned for its distinguished research capabilities, proudly demonstrated through our active participation in 7 pivotal national scientific research projects. Our steadfast commitment to innovation is showcased in our remarkable portfolio of 79 national invention patents. As true industry pioneers, we have played a crucial role in the development and establishment of 16 essential national and industry standards. Our extensive and diverse portfolio is enriched with 29 proprietary technologies, earning us 3 prestigious awards for scientific and technological advancement across national, provincial, and municipal levels. Our relentless pursuit of excellence empowers us to continually set new standards and surpass industry expectations.

Leading the Liquid Cooling Revolution: At Hefei Huaqing High Tech Surface Technology Co., Ltd., our Liquid Cooling Division is resolutely committed to spearheading the next wave of industrial evolution in liquid cooling materials. Our ambition is to deliver a comprehensive range of high-performance, eco-friendly coolants, heat transfer fluids, and avant-garde liquid cooling solutions, meticulously crafted for excellence. Through enduring partnerships and the embrace of revolutionary technological advancements, we champion the widespread adoption of high-performance, environmentally conscious coolants. These innovations are precisely engineered to meet the stringent demands of new energy vehicles, energy storage systems, wind power installations, and data centers, among others. By collaborating with both upstream and downstream enterprises, we aim for mutually beneficial outcomes, collectively paving the way for a greener, more sustainable future, and setting new industry benchmarks.
Revolutionizing Production Efficiency: Our relentless pursuit of production excellence distinguishes us. By focusing on process optimization and leveraging cutting-edge technologies, we ensure our production capabilities are not merely highly efficient but also sustainably equipped to meet the escalating demands of the modern world, establishing a new standard for industry excellence.
At the Forefront of Innovation: The Huaqing New Material Production Center boasts advanced infrastructure, including 12 high-tech coolant production lines, 6 fully automated surface treatment lines, and 2 coating lines, culminating in an impressive annual output of 200,000 tons. By utilizing eco-friendly raw materials and pioneering technologies, our center exemplifies sustainability, minimizing environmental impact at its core. This unwavering commitment to clean production plays a pivotal role in promoting sustainable growth and industrial advancement in both the surface treatment and liquid cooling sectors.
Strategic Geographical Supremacy: Our optimal geographical positioning is more than just an asset; it epitomizes our dedication to accessibility and excellence. Strategically situated for maximum reach, we ensure our clients benefit from unparalleled logistical advantages and a comprehensive support network throughout the region, reinforcing our commitment to delivering superior service.
Strategically Located Huaqing Hefei Surface Treatment Base: Encompassing a vast 560 mu, this state-of-the-art facility features an advanced wastewater treatment center with a daily capacity of 10,000 cubic meters. This innovative base is transforming 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 building partnerships with prestigious academic institutions, we bridge the gap between research and practical application, fostering a culture of continuous innovation and growth. These strategic alliances propel us forward, ensuring our technological advancements remain at the forefront of the industry.
Expansive Huaqing Hefei Surface Treatment Base: Spanning an extensive 560 mu, this state-of-the-art facility is equipped with an innovative wastewater treatment plant boasting 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 provide 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 unmatched 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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