- Overview
- Product Introduction
- Main Product
- Company Profile
- Company Advantage
- Our Certificate
- Exhibition
- Packaging & Shipping
- FAQ
Basic Info.
Product Description
Introducing the groundbreaking Charging Pile Coolant HQ-C3 series, a masterpiece crafted with top-tier polyester ethylene glycol. This cutting-edge formula is enriched with a non-ion inhibitor and a viscosity improver tailored for low temperatures, offering an extraordinary adjustable freezing point from a staggering -60ºC to -20ºC. It ensures seamless functionality across a vast temperature range of -55ºC to 120ºC. Pre-diluted for your convenience, this coolant is ready to deliver superior performance right out of the box.
Specially designed for the cooling systems of charging piles, this innovative product provides unmatched performance and steadfast reliability.
Characteristics and Usage
- Boasts superior thermal conductivity, ensuring efficient heat dissipation;
- Delivers exceptional protection against metal corrosion, safeguarding charging piles and powered equipment from unexpected leaks;
- Demonstrates remarkable environmental performance, completely free of inorganic salts such as nitrites, amines, phosphates, borates, and silicates, aligning with your sustainability objectives;
- Complies with stringent EU RoHS and REACH standards, highlighting its commitment to eco-friendly practices and regulatory adherence.
| Project | HQ-C3-35 | Test method | ||
| Appearance | No precipitation or suspended matter, clear and transparent liquid | Visual estimation | ||
| Color | Red | Visual estimation | ||
| Density(20.0ºC)/(g/cm3) | 1.071 | SH/T 0068 | ||
| Freezing point/ºC | -36.5 | SH/T 0090 | ||
| Boiling point/ºC | 107.7 | SH/T 0089 | ||
| pH value | 6.8 | SH/T 0069 | ||
| Chlorine content/(mg/kg) | 1 | SH/T 0621 | ||
| 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 | 1.2 | SH/T 0085 |
| Brass | 1.5 | |||
| Steel | 1.1 | |||
| Cast aluminum | 1.8 | |||
| 6-series aluminum | 2.1 | |||
| 4-series aluminum | 1.2 | |||
| 3-series aluminum | 1.1 | |||
| Bubble tendency (70ºC±1ºC) |
Foam volume/ml | 40 | SH/T 0066 | |
| Foam disappearance time/s | 1.4 | |||
Hefei Huaqing HighTech Surface Technology Co., Ltd. stands as a beacon of innovation and excellence, perfectly positioned within the renowned Hefei National High-Tech Industrial Development Zone. Our sprawling 560-acre campus is a testament to our leadership in pioneering technological advancements. Specializing in advanced materials for surface treatment, we spearhead the development of cutting-edge materials crucial for the thermal management of new energy systems. Our expertise extends to the precision engineering of aerospace components, the most advanced electronic plating processes, and the creation of customized equipment tailored for unique surface treatment solutions.equipment for surface treatment solutions.Fueled by an unyielding passion for research and innovation, Hefei Huaqing High Tech Surface Technology Co., Ltd. proudly exhibits formidable research capabilities. We are at the forefront, actively engaging in 7 vital national scientific research projects, illustrating our dedication to revolutionary progress. Our innovative spirit is highlighted by an impressive collection of 79 national invention patents. As industry vanguards, we have initiated and shaped the creation of 16 national and industry standards. Our extensive portfolio boasts 29 proprietary technologies, celebrated by 3 prestigious awards for scientific and technological progress at national, provincial, and municipal levels, solidifying our esteemed leadership in the industry.

The Liquid Cooling Division of Hefei Huaqing High Tech Surface Technology Co., Ltd. stands as a leader in transforming industrial applications with unparalleled liquid cooling materials. Driven by a passionate mission, we deliver and customize a vast selection of top-tier, eco-friendly coolants, heat transfer fluids, and revolutionary liquid cooling technology solutions. By nurturing enduring partnerships and harnessing cutting-edge technological advancements, we enable the seamless commercial integration of high-performance, environmentally sustainable coolants. These state-of-the-art solutions are expertly crafted to meet the stringent demands of rapidly growing industries such as new energy vehicles, energy storage systems, wind power installations, and data centers, among others. We engage in close collaboration with both upstream and downstream enterprises to achieve mutually beneficial outcomes, collectively steering towards a greener and more sustainable future.
Spearheading Production Efficiency
At the zenith of innovation, the Huaqing New Material Production Center is a hallmark of superb infrastructure, featuring 12 advanced coolant production lines, 6 fully automated surface treatment lines, and 2 coating lines, culminating in an impressive annual production capacity of 200,000 tons. By integrating eco-friendly raw materials with cutting-edge technologies, our center exemplifies sustainability, significantly reducing environmental impacts from the outset. This unwavering commitment to clean production significantly enhances sustainable growth and industrial advancement across both the surface treatment and liquid cooling sectors.
Strategically Vital Geographical Advantage
Spread across an impressive 560 mu, the Huaqing Hefei Surface Treatment Base is equipped with a state-of-the-art wastewater treatment center capable of handling an extraordinary 10,000 cubic meters of sewage each day. This visionary base is on a trajectory to become a vibrant 'high-tech park, ecological park, cultural park, and economic park,' delivering unmatched engineering expertise and comprehensive support services for surface treatment and liquid-cooled new materials throughout East China and beyond.
Establish Influential Partnerships with Leading Universities
Spanning a vast 560 mu, the Huaqing Hefei Surface Treatment Base boasts a state-of-the-art wastewater treatment facility with an impressive daily processing capacity of 10,000 cubic meters. Poised to evolve into a 'high-tech park, ecological park, cultural park, and economic park,' the base is primed to offer premier engineering and technical support, alongside comprehensive auxiliary services for surface treatment and liquid-cooled new materials, serving clients across East China and the national landscape.



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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