
About Us
Rooted in Technology · Professional Manufacturing · Constant Innovation
Brand Founded
Production Base
Serve Customers
Deep Industry Expertise
About Cool Boards
Guangdong Qiliang Building Materials Technology Co., Ltd. was founded in 2014. Based at the Foshan Sanshui Industrial Park, the "Qiliang" brand operates one of the largest heat-insulating aluminum tile manufacturing facilities in the Foshan region. It is also a core producer of stainless steel and aluminum alloy Great Wall panels with professional scale-up capabilities, serving as the leading regional source manufacturer for Great Wall boards. The company integrates R&D, mass production, precision processing, and nationwide sales. With over 40,000 square meters of standardized production bases and multiple modern coil and sheet metal lines, we have specialized in metal heat-insulating Great Wall panels for over a decade. Our operations feature ample capacity, reliable supply, and mature quality control. As one of the few factories in Guangdong capable of large-scale production of stainless steel Great Wall insulation panels, we boast deep industry expertise and rank among the top综合实力 (comprehensive strength) in the regional sector.
Our comprehensive product portfolio features a wide range of metal coils and panels. Core offerings include powder-coated aluminum coils, stainless steel coils, aluminum square tube coils, wood-grain transfer metal coils, rubber/plastic foam metal coils, aluminum alloy Great Wall thermal insulation panels, and stainless steel Great Wall large panels. We specialize in key products such as powder-coated metal color coils, aluminum alloy Great Wall panels, and stainless steel Great Wall panels. Our self-produced stainless steel Great Wall thermal insulation large panels combine premium stainless steel substrates with advanced composite insulation technology. They deliver superior performance including high-efficiency thermal insulation, corrosion and rust resistance, weatherability, anti-aging properties, environmental friendliness, durability, and a smooth, aesthetically pleasing finish. Designed for demanding applications like outdoor installations, roofing systems, and engineering curtain walls, these panels are manufactured under strict standards to meet top-tier industry quality benchmarks.
Our company supports both wholesale and retail models. We customize insulating panels in various sizes and specifications to meet your project needs, adapting flexibly to diverse engineering scenarios and unique material requirements to fully address your procurement needs.
Our product serves a wide range of industries. In construction, it fits factory roofs, building roof retrofits, outdoor pavilions, and courtyard sunrooms, delivering systematic, customized, high-quality insulation solutions for diverse projects. It also supports industrial sectors such as appliances and automotive, meeting material needs across multiple industries to drive high-quality development.
Since its founding, the company has adhered to the philosophy of "Rooted in Technology, Professional Manufacturing, and Continuous Innovation." We focus on R&D for core product lines including stainless steel长城 panels (corrugated metal wall panels) and insulated metal sheets. Our dedicated core R&D team leverages advanced forming, lamination, and coating technologies and equipment, supported by a full-process standardized quality control system. We continuously drive innovation in technology, process upgrades, and quality management to effectively address industry pain points such as deformation, poor insulation, and corrosion resistance in stainless steel sheets. Backed by reliable stainless steel长城 panel products, comprehensive support services, and high cost-performance advantages, we have earned widespread trust and praise from engineering clients and distributors nationwide, establishing a strong industry reputation and brand image.
Core Products
Over a decade of expertise in insulating metal panels, delivering a comprehensive product portfolio.
Powder-coated metal coil
Eco-friendly powder-coated, long-lasting color
Wood grain transfer metal coil
Realistic wood grain with strong decorative appeal
Rubber and Plastic Foam Metal Coil
Insulates, lightweight and soft
Stainless Steel Great Wall Insulated Large Panel
Durable, weather-resistant, and rust-proof
Aluminum Alloy Great Wall Insulated Large Panel
Composite insulation, lightweight and high-strength
Metal Single Tile
Efficient insulation, easy installation
Core Technical Advantages
Continuous innovation to effectively solve industry pain points.
Powder Coating Process
Eco-friendly powder coating technology with zero VOC emissions, long-lasting color retention, and premium quality matching industry standards.
Composite Insulation Technology
Premium stainless steel substrate with composite insulation for high-efficiency thermal protection, corrosion and rust resistance, and weather durability.
Precision Molding Technology
Advanced forming equipment ensures smooth, wrinkle-free panel edges for easy installation and a refined look across diverse engineering applications.
Floral Transfer Technology
Wood grain, stone grain, and more decorative finishes to meet diverse architectural styles and personalized needs.
Factory Strength
40,000+ square meters of standardized production base with multiple modern professional production lines

40000+
㎡Production facility areaIndustrial Park, Sanshui District, Foshan City, Guangdong Province
Multiple
Modern production lineProfessional coil and sheet production lines with ample capacity and reliable supply.
End-to-end
Standardized Quality InspectionBuild a full-process quality inspection system with mature, reliable controls.
Why Choose Cool
Direct-from-Factory Manufacturer, Industry Expertise, Full Product Range, Flexible Customization
Direct from the manufacturer
Foshan Sanshui: 40,000+ sqm production base with multiple modern production lines. Ample capacity, stable supply, and transparent pricing.
Over a decade of industry expertise
Over a decade of expertise in metal insulation Great Wall panels, effectively solving industry pain points such as stainless steel plate deformation, poor thermal insulation, and corrosion.
Full-Product Matrix
One-stop procurement for our full product line, including heat-insulating aluminum tiles, Great Wall heat-insulating large panels, powder-coated aluminum coils, stainless steel coils, and more.
Flexible Customization Services
Available for wholesale and retail; customizable dimensions to suit diverse project requirements.
Application Areas
Broadly adaptable across diverse architectural and industrial scenarios, delivering systematic insulation solutions.
Industrial Factory
Thermal insulation for large industrial buildings such as factory roofs, warehouses, and logistics centers
Commercial Buildings
Commercial projects such as shopping malls, office buildings, hotels, and engineering curtain walls
Residential Buildings
Villas, sunrooms for courtyards, outdoor pavilions, and roof renovations
Public Facilities
Thermal insulation for public buildings such as schools, hospitals, and stadiums
Our Journey
Over a decade of dedication, expanding from Foshan nationwide.
Founded in Sanshui, Foshan, we pioneered the research and development and production of insulating metal panels.
Expanded production base to over 40,000 square meters; introduced multiple modern powder-coated color line systems.
Certified under ISO9001 quality management system; products exported globally, including Southeast Asian markets.
The Great Wall Insulated Panel Series is now fully launched as the company's flagship product line.
Stainless steel Great Wall large panel production line launched, achieving zero VOCs emissions in eco-friendly manufacturing.
Serving over 500 customers nationwide, with products covering markets across China and Southeast Asia.
Qualifications & Honors
Certified by multiple authoritative bodies for trusted quality

ISO9001 Quality Management System Certification

Product Quality Inspection Report

Fire Performance Test Report

Environmental Certification
Corporate Culture
Corporate Mission
Creating a living space that is safe, comfortable, luxurious, and artistic.
Corporate Vision
Become a trusted brand in China's thermal insulation board industry.
Business Philosophy
Rooted in Technology, Specialized in Manufacturing, Driven to Innovate
Quality Promise
Standardized end-to-end quality inspection: every panel undergoes rigorous multi-stage testing.
Partnership Inquiry
Wholesale and retail supported. Custom sizes available to meet project requirements. Contact us for inquiries.