Kingflex Insulation Co., Ltd. — Professional manufacturer of elastomeric rubber foam, rock wool, and advanced insulation systems. Serving 66+ countries with 40+ years of engineering excellence.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Our research, development and production department is located in the well-known capital of green building materials in Dacheng, China. We are an energy-saving, environmentally friendly enterprise that concentrates on research and development, production and sales.
In operation, Kingflex takes energy saving and consumption reduction as the core concept. We provide complete insulation solutions through consultation, R&D, production, installation guidance and post-sale service — leading the development of the global building materials industry.
Kingflex is established by Jinwei Group which has more than 40 years of history. Kingway Group was established in 1979 and was the first manufacturer of thermal insulation materials north of the Yangtze River — a pioneer that set the standard for China's insulation industry.
Our employees are amazing in their own right, but together they are what makes Kingflex such a rewarding place to work. Kingflex team is a tight-knit, talented group with a shared vision of giving consistently first-class service for our clients.
Kingflex has eight professional engineers in the R&D Department, 6 professional international sales specialists, and 230 skilled workers in the production department — all committed to delivering world-class insulation solutions.
At present, Kingflex has 5 large automatic assembly lines, with an annual production capacity of more than 600,000 cubic meters, and has become a designated production enterprise designated by the Ministry of Energy, the Ministry of Electric Power and the Ministry of Chemical Industry.
State-of-the-art fully automated production lines ensuring consistent product quality, high efficiency, and large-volume output to meet global demand.
Our massive annual production capacity ensures timely delivery for projects of any scale — from small HVAC installations to large industrial complexes.
Officially designated production enterprise by China's Ministry of Energy, Ministry of Electric Power and Ministry of Chemical Industry — a testament to our quality and reliability.
Kingflex thermal insulation products are widely used in construction, petroleum, chemical, national defense, aerospace and other industries, exported to 66+ countries over 16 years.
Supply customers worldwide with a full set of energy-saving insulation system solutions — integrated provider of thermal insulation, cold insulation and noise reduction for buildings and industries.
Our proprietary closed-cell foam technology achieves a cell rate over 98%, delivering superior thermal performance, moisture resistance, and long-term durability.
8 professional engineers drive continuous innovation in insulation materials, formulations and production processes to stay ahead of global market demands.
Products certified to BS 476, CE, REACH, ROHS, UL94, ASTM and other global standards — ensuring compliance for projects in any country.
Full OEM service capability to customize thickness, density, dimensions and specifications to meet unique project requirements and branding needs.
5 automatic assembly lines and 600,000+ m³ annual capacity guarantee on-time delivery for large-scale international projects without compromise.
Every Kingflex product features full traceability from raw material sourcing to finished goods, ensuring complete quality accountability and documentation.
Proven track record of serving clients in 66+ countries with consistent quality, reliable logistics and professional after-sales technical support.
Our dedicated R&D department continuously develops next-generation insulation materials and systems. With 8 professional engineers and state-of-the-art testing facilities, Kingflex stays at the forefront of thermal insulation technology.
Kingflex products have passed rigorous international certifications, ensuring compliance with global safety and quality standards across all major markets.
From elastomeric rubber foam to rock wool, Kingflex offers a comprehensive portfolio of thermal insulation products for every application — HVAC, industrial, construction, and beyond.
Kingflex thermal insulation products are trusted across a diverse range of industries worldwide, delivering reliable energy savings and protection in the most demanding environments.
Heat insulation for air ducts, pipes, and central AC systems to prevent condensation and energy loss.
Wall, roof and basement thermal and sound insulation for residential and commercial buildings.
Insulation for equipment, steam pipes and storage tanks in manufacturing and processing facilities.
Heat insulation, sound insulation and corrosion protection for process pipes in chemical plants.
Designated supplier for China's Ministry of Energy — proven performance in oil and gas applications.
Thermal insulation for railway carriages, cold rooms and cold chain logistics infrastructure.
Insulation and noise reduction for ventilation ducts and machine rooms in commercial buildings.
High-performance insulation solutions for national defense and aerospace industry applications.
Kingflex insulation solutions have been successfully deployed in major projects across construction, industrial, HVAC and specialized sectors worldwide.
Supply customers all over the world with a full set of energy saving insulation system solutions. Kingflex is your integrated solution provider of thermal insulation, cold insulation and noise reduction for buildings and industries.
Real conversations with real customers — see what our global clients say about Kingflex insulation products and services.
Partner with Kingflex — 40+ years of expertise, global certifications, and a dedicated team ready to deliver the perfect insulation solution for your project.

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