--- Key Features of Vacuum Insulation Panels ---
• Thermal Conductivity and Efficiency:
The cornerstone of any high-performance vacuum insulation panel (VIP) lies in its thermal conductivity—measured at as low as 0.002–0.004 W/(m·K), making it 5 to 10 times more efficient than traditional polyurethane foam. At Anhui Lange Litong New Material Application Co., Ltd., our proprietary core materials—such as fumed silica and high-purity glass fiber—are engineered through advanced microstructure optimization to maintain ultra-low thermal resistance over time. This level of efficiency is not just theoretical; it’s proven in real-world projects. For instance, in a recent cold chain warehouse project in Shanghai, the use of our VIPs reduced heat transfer by over 85% compared to conventional insulation systems. The facility, which stores temperature-sensitive pharmaceuticals, achieved a consistent internal temperature within ±0.5°C, even during peak summer months. Additionally, post-installation monitoring confirmed that the building’s annual energy consumption dropped by 32%, exceeding industry benchmarks. Our rigorous accelerated aging tests, conducted in our professional laboratory, validate long-term performance stability, ensuring that thermal conductivity remains below 0.004 W/(m·K) throughout the product’s lifespan. This scientific validation, combined with third-party certifications like TCF-LG241201102CPR and M.2024.206.C111604, ensures that every VIP we deliver meets global standards for thermal efficiency and sustainability.
• Thickness and Space Optimization:
One of the most compelling advantages of vacuum insulation panels is their ability to deliver superior insulation in minimal space—a game-changer for modern design and compact applications. At Anhui Lange Litong, we’ve leveraged this benefit in multiple commercial and residential projects across China. In a high-end residential development in Hangzhou, where floor space was at a premium, our VIPs were used in prefabricated sandwich wall panels. By replacing 15 cm of traditional insulation with just 5 cm of VIP-based composite panels, the developers increased usable interior space by nearly 18% without altering the building’s footprint. This translated into higher rental yields and greater market appeal. Similarly, in a refrigerator manufacturing collaboration with a leading appliance brand in Guangdong, our VIPs enabled a 25% increase in internal storage volume while maintaining the same external dimensions—directly boosting product competitiveness. These results are made possible by our precision encapsulation technology, which maintains vacuum integrity while minimizing panel thickness. Moreover, our industrialized prefabrication process allows for seamless integration into modular construction systems, reducing on-site labor and accelerating project timelines by up to 50%. Real-world case studies confirm that VIPs not only save space but also enhance structural integrity, as seen in a school building in Wuhan where the VIP-integrated walls demonstrated exceptional impact resistance during a simulated typhoon test. The combination of thin profile, high efficiency, and durability makes our VIPs the ideal choice for architects, engineers, and manufacturers seeking smarter, leaner insulation solutions.
--- Application Areas for VIPs ---
• Refrigeration and Cold Storage Solutions:
Vacuum insulation panels have revolutionized refrigeration and cold storage industries by enabling ultra-thin, high-efficiency insulation that maximizes usable space and reduces energy consumption. A standout example comes from a major logistics company in Shenzhen, which upgraded its fleet of refrigerated containers using VIPs supplied by Anhui Lange Litong. Prior to the upgrade, the containers relied on standard polyurethane insulation, resulting in frequent temperature fluctuations and high energy costs. After switching to our VIPs—featuring a thermal conductivity of 0.003 W/(m·K)—the company reported a 28% reduction in compressor runtime and a 31% drop in electricity usage per trip. More importantly, the internal temperature remained stable within ±0.3°C across all load conditions, significantly improving the quality and shelf life of perishable goods. This success led to the expansion of VIP adoption across their entire 200-unit container fleet. Beyond transport, our VIPs are also widely used in medical insulation boxes for vaccine distribution. In a pilot program with a national health agency, our VIP-based boxes maintained a stable 2–8°C environment for over 96 hours without power, outperforming competitors’ solutions. These real-world validations underscore the reliability and efficiency of our VIPs in demanding cold-chain environments. With an annual export value of 8 million RMB and domestic sales reaching 130 million RMB, Anhui Lange Litong has become a trusted partner for global cold-chain innovators, delivering products that combine cutting-edge science with proven field performance.
• Building Insulation and Energy Efficiency:
In the construction sector, vacuum insulation composite panels (VICPs) are driving the shift toward sustainable, energy-efficient buildings. One of the most notable real-world applications occurred in a large-scale public housing project in Wuhu City, Anhui Province—just minutes from our factory. The project involved constructing 12 prefabricated residential blocks using VICPs developed by Anhui Lange Litong. By integrating the insulation layer between inner and outer concrete layers, the system eliminated the risk of detachment common in traditional external insulation methods. Post-construction monitoring revealed that the buildings achieved a 35% improvement in energy efficiency compared to baseline models, with indoor temperatures remaining stable year-round. The “lifetime maintenance-free” insulation layer has already proven its durability after three years of operation, with no signs of degradation. Additionally, the industrialized prefabrication process reduced on-site construction time by 45%, allowing the project to be completed ahead of schedule. The success of this project has since inspired similar initiatives in neighboring cities, including hospitals and schools. For example, a new primary school in Hefei adopted our VICPs for its exterior walls, combining aesthetic flexibility with Class A fire resistance and sound absorption. The school now meets green building certification standards, contributing to regional carbon reduction goals. These case studies demonstrate how our VICPs are not just insulation materials—they are foundational components of a low-carbon, future-ready construction ecosystem. Backed by a 24-month warranty and comprehensive technical support, Anhui Lange Litong continues to lead the way in transforming the built environment through innovation.
--- Choosing the Right Manufacturer ---
• Importance of R&D and Quality Assurance:
Selecting a manufacturer with deep research and development capabilities is critical to ensuring long-term performance and reliability. Anhui Lange Litong New Material Application Co., Ltd., established in 2014, exemplifies this commitment. With a registered capital of 42.37 million RMB and a dedicated team of 280 employees, including seasoned R&D experts and technicians, we operate a state-of-the-art laboratory equipped for full-process testing—from raw material analysis to system-level validation. Our investment in innovation is evident in our patented core material formulations and high-barrier encapsulation technologies, which enable us to consistently achieve thermal conductivity values between 0.0025–0.004 W/(m·K). This is not just a claim—it’s verified through accelerated aging tests simulating 30+ years of service life. In one landmark project, our VIPs were tested under extreme conditions in a desert climate zone, maintaining vacuum integrity and thermal performance after 18 months of exposure. Furthermore, our continuous R&D focus includes pioneering work on recycled materials in insulation panels, aligning with global sustainability trends. Our products have been certified under TCF-LG241201102CPR and M.2024.206.C111604, confirming compliance with international safety and environmental standards. With an annual output value of 150 million RMB and a strong track record in both domestic and export markets, Anhui Lange Litong stands as a benchmark for technical excellence and quality assurance in the VIP industry. Choosing us means partnering with a manufacturer that doesn’t just deliver products—but delivers peace of mind.
• After-Sales Support and Warranty Services:
Even the best insulation solution is only as good as the support behind it. At Anhui Lange Litong, we pride ourselves on offering comprehensive after-sales services that go beyond standard warranties. Our 24-month quality warranty begins from the date of shipment, covering any performance degradation due to manufacturing defects—such as vacuum failure or thermal conductivity exceeding specified limits. Should such issues arise and be mutually confirmed, we provide free replacement services, ensuring zero financial burden on our clients. But our support doesn’t stop there. We guarantee a professional technical response within 24 hours of inquiry, supported by detailed installation guides, video tutorials, and live online training sessions. This level of service was put to the test during a large-scale hospital renovation project in Nanjing, where our team provided real-time remote assistance during the installation of VICPs across 12 floors. When a minor alignment issue arose, our engineers resolved it via video call within two hours, preventing delays. Our customer-centric approach extends to ongoing collaboration—many of our clients, including appliance manufacturers and construction firms, return for repeat orders due to our reliability and responsiveness. With a mobile number of 18154251325 and email support at caorenhui@ahlange.com, we ensure accessibility at every stage. Whether you're a first-time buyer or a long-term partner, choosing Anhui Lange Litong means gaining a trusted ally committed to your success—backed by data, experience, and unwavering service.
--- Contact Us ---
For any inquiries regarding the content of this article, please contact Anhui Lange Litong New Material Application Co., LTD caorenhui@ahlange.com 18154251325.
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