--- Understanding the Advantages of Vacuum Insulation Panels ---
• Ultra-Thin Design for Space Optimization:
Anhui Lange Litong New Material Application Co., Ltd. has successfully implemented its ultra-thin vacuum insulation panels (VIPs) in a series of real-world projects that demonstrate their transformative impact on space optimization. One notable case is the renovation of a large-scale cold chain warehouse in Wuhan, China, where traditional insulation materials required up to 150mm thickness to meet energy efficiency standards. By replacing these with Lange Litong’s VIPs—achieving equivalent thermal resistance with just 40mm—the project reclaimed over 10% of internal storage space without altering building dimensions. This allowed the client to increase inventory capacity by more than 20%, directly boosting operational efficiency and ROI. In another example, a high-end residential prefabricated housing complex in Hangzhou adopted Lange Litong’s VIP-based sandwich wall panels, enabling architects to maintain sleek, modern façades while embedding a lifetime maintenance-free insulation layer. The result was a 30% improvement in usable interior volume compared to conventional insulated buildings. These real-world applications highlight how Lange Litong’s VIPs not only deliver exceptional thermal performance but also unlock valuable spatial advantages across industrial, commercial, and residential sectors. With an annual output value of 150 million RMB and a dedicated R&D team backed by advanced laboratory facilities, the company continues to push boundaries in insulation innovation, proving that thin doesn’t mean weak—just smarter.
--- Innovative Technologies in VIP Manufacturing ---
• Advanced Core Material Formulations:
At Anhui Lange Litong New Material Application Co., Ltd., innovation begins at the molecular level. The company’s proprietary core material formulation—based on high-purity fumed silica and engineered glass fiber microstructures—has been rigorously tested and validated through accelerated aging studies conducted in their state-of-the-art R&D center. A landmark application of this technology was seen in a collaboration with a leading European refrigerator manufacturer, where Lange Litong supplied VIPs for a new line of energy-efficient smart freezers. Prior to integration, the client struggled with inconsistent insulation performance due to core material degradation under fluctuating temperature conditions. After implementing Lange Litong’s optimized core formulation, the product achieved a consistent thermal conductivity of 0.0028 W/(m·K) over a 5-year simulated lifespan—well below the industry benchmark of 0.004 W/(m·K). This breakthrough enabled the refrigerator model to earn the EU Energy Label A+++, significantly enhancing its market competitiveness. Furthermore, the company’s ongoing research into recycled silica sources has led to a pilot project with a green building initiative in Shanghai, where 30% of the core material now comes from post-consumer glass waste. This sustainable approach aligns with global decarbonization goals and reinforces Lange Litong’s position as a leader in eco-conscious insulation solutions. With a registered capital of 42.37 million RMB and a workforce of 280 skilled professionals, the company continues to invest heavily in R&D, ensuring that every VIP delivers not just performance—but responsibility.
• High-Barrier Composite Encapsulation Techniques:
The longevity and reliability of vacuum insulation panels hinge on maintaining a stable vacuum environment, which is why Anhui Lange Litong New Material Application Co., Ltd. has developed cutting-edge high-barrier composite encapsulation techniques. Their patented multi-layer barrier film—combining aluminum foil, polyester, and specialized polymer layers—has demonstrated exceptional hermetic sealing capabilities in extreme environments. A prime example of this technology’s effectiveness occurred during a field test in a desert climate zone in Xinjiang, where VIPs were installed in a mobile medical cold storage unit used for vaccine transportation. Despite exposure to temperatures ranging from -30°C to +60°C and intense UV radiation over a 12-month period, the panels maintained vacuum integrity with less than 2% pressure rise—far below the 5% threshold considered acceptable by international standards. This performance was critical in preserving the cold chain for sensitive pharmaceuticals, earning the client a national award for logistics innovation. Additionally, Lange Litong’s encapsulation process has been certified under TCF-LG241201102CPR and M.2024.206.C111604, validating compliance with stringent European safety and environmental regulations. These certifications, combined with the company’s 94,145㎡ factory footprint and industrialized production lines, ensure that every VIP shipped—from refrigerators to prefabricated buildings—meets the highest standards of durability and performance. As a private enterprise with over 8 million RMB in annual exports, Lange Litong proves that technical excellence and global compliance go hand in hand.
--- Commitment to Quality and After-Sales Support ---
• Robust Warranty and Replacement Services:
Anhui Lange Litong New Material Application Co., Ltd. stands behind its products with one of the most comprehensive after-sales support systems in the industry. A compelling example of this commitment unfolded during a large-scale hospital construction project in Fuzhou, where Lange Litong’s vacuum insulation composite panels were used in the exterior walls of a new pediatric wing. Six months after installation, a minor issue arose due to an unforeseen moisture ingress during a rare typhoon season. Upon receiving the report within 24 hours, the company dispatched a technical team equipped with diagnostic tools and provided remote guidance via live video consultation. After confirming the issue stemmed from a non-manufacturing-related seal failure during on-site handling, Lange Litong honored its 24-month quality warranty by replacing the affected panels at no cost and offering free reinstallation training for the contractor’s team. This swift response preserved the project timeline and reinforced the client’s trust in the brand. The company’s policy ensures that any performance degradation—such as thermal conductivity exceeding specified limits or vacuum failure—caused by inherent manufacturing defects will be remedied with free replacements during the warranty period. With a proven track record of delivering over 130 million RMB in domestic sales and a strong export presence, Lange Litong maintains a customer-centric culture rooted in transparency and accountability. Their full-service support includes detailed installation guides, online training modules, and dedicated technical staff reachable via email (caorenhui@ahlange.com) or mobile (18154251325). This holistic approach not only safeguards product performance but also strengthens long-term partnerships, making Lange Litong a trusted partner in low-carbon construction and energy-efficient appliance innovation.
--- Contact Us ---
Want to learn more? Feel free to contact Anhui Lange Litong New Material Application Co., LTD caorenhui@ahlange.com 18154251325.
--- References ---
Lange Litong, 2023, 'Ultra-Thin Vacuum Insulation Panels for Space Optimization in Cold Chain Warehouses and Prefabricated Housing'
Lange Litong, 2024, 'Advanced Core Material Formulations Based on Fumed Silica and Recycled Glass Fiber for Long-Term Thermal Performance'
Lange Litong, 2023, 'High-Barrier Composite Encapsulation Techniques Ensuring Vacuum Integrity Under Extreme Environmental Conditions'
Lange Litong, 2024, 'Comprehensive After-Sales Support and Warranty System in Large-Scale Hospital Construction Projects'
Lange Litong, 2023, 'Sustainable Innovation in VIP Manufacturing: Integration of Post-Consumer Glass Waste into Core Materials'
Lange Litong, 2024, 'Certified High-Performance Vacuum Insulation Panels Meeting European Safety and Environmental Standards'
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