Kingflex
Kingflex
Kingflex Insulation Co., Ltd. — 45+ years of innovation in elastomeric rubber foam, rock wool, and energy-saving insulation systems for construction, HVAC, industrial and cold-chain applications worldwide.
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 solutions regarding insulation by means of consultation, research and development, production, installation guidance, and post-sale service to lead the development of the global building materials industry.
Kingflex is established by Jinwei Group which has more than 45 years of history. Kingway Group was established in 1979 and was the first manufacturer of thermal insulation materials north of the Yangtze River. From a pioneering domestic manufacturer to a globally recognized brand, our journey reflects decades of unwavering commitment to quality and innovation.
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.
5 large automatic assembly lines with an annual production capacity exceeding 600,000 cubic meters. Designated by China's Ministry of Energy, Ministry of Electric Power, and Ministry of Chemical Industry as a key production enterprise.
Kingflex thermal insulation products are widely used in construction, petroleum, chemical, national defense, aerospace and other industries. Our products have been exported to more than 88 foreign countries worldwide over the past 16+ years.
View All ProductsSupply customers all over the world with a full set of energy-saving insulation system solutions. We are an integrated solution provider of thermal insulation, cold insulation and noise reduction for buildings and industries — committed to sustainability and energy efficiency at every stage of the supply chain.
Officially designated by China's Ministry of Energy, Ministry of Electric Power, and Ministry of Chemical Industry — a mark of the highest manufacturing standards and government trust.
From elastomeric rubber foam tubes and pipes to rock wool boards and blankets — Kingflex offers a comprehensive range of insulation products certified to international standards for every application.
Kingflex thermal insulation products are trusted across a wide spectrum of industries — from commercial buildings and HVAC systems to petrochemical plants, aerospace, and cold chain logistics.
Wall, roof and basement thermal & sound insulation for residential, commercial and industrial buildings.
Heat insulation for air ducts, chilled water pipes, condensate pipes and central air conditioning systems.
Insulation for equipment, steam pipes, storage tanks, process pipes in chemical and petrochemical plants.
Thermal insulation for petroleum pipelines, refineries, and energy sector infrastructure worldwide.
Thermal insulation for train carriages, cold rooms, cold chain logistics and refrigerated transport.
Insulation and noise reduction for ventilation ducts, machine rooms and building services.
Thermal insulation for solar water heating systems, hot water pipelines and renewable energy infrastructure.
High-performance insulation for national defense facilities, aerospace equipment and specialized industrial applications.
With 8 professional engineers in our dedicated R&D Department, Kingflex continuously innovates to develop next-generation thermal insulation materials that meet evolving global energy standards and environmental requirements.
State-of-the-art testing facilities for thermal conductivity, fire resistance, and moisture permeability analysis.
Our team of 8 professional engineers develops proprietary NBR/PVC foam formulations achieving closed-cell rates over 98%.
Rigorous multi-stage quality control processes ensure every product meets BS 476, CE, UL94, ASTM and REACH standards.
Dedicated R&D team driving continuous product innovation and improvement.
Industry-leading closed-cell structure for superior thermal and moisture performance.
Engineered for extreme temperature environments from cryogenic to high-heat applications.
Self-extinguishing, flame-retardant materials meeting BS 476, UL94 and international fire safety standards.
Our employees are amazing in their own right, but together they are what makes Kingflex such a fun and rewarding place to work. The 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+ workers in the production department — all united by a passion for quality and customer satisfaction.
Kingflex products have passed BS 476, CE, REACH, RoHS, UL94, ASTM and other international certifications, ensuring product quality and compliance with global standards across all major markets.
All Kingflex products feature full traceability — from raw material sourcing through production to final delivery — ensuring complete quality accountability and compliance documentation for every project.
📄 Request CertificatesFrom commercial buildings and industrial plants to cold storage facilities and HVAC systems — Kingflex insulation has been successfully installed in projects across 88+ countries worldwide.
Real conversations with real customers from around the world — our commitment to first-class service and product quality is reflected in every interaction.
"Excellent quality rubber foam insulation. Fast delivery and professional service."
"Kingflex products meet all our project specifications. Highly recommended supplier."
"CE and BS 476 certified products. Great for our European market requirements."
"OEM service is perfect for our brand. Consistent quality across all batches."
From our 45-year heritage and government-designated manufacturing status to our global certifications and dedicated R&D team — Kingflex delivers unmatched value at every level.
Founded in 1979 as the first thermal insulation manufacturer north of the Yangtze River — decades of proven expertise and continuous innovation.
5 automatic assembly lines producing 600,000+ m³ annually — ensuring consistent supply for projects of any scale, anywhere in the world.
Products successfully exported to 88+ countries across Europe, Middle East, Asia, Americas and Africa — trusted by international contractors and distributors.
BS 476, CE, REACH, RoHS, UL94, ASTM — our products meet the most stringent global safety and quality standards for every market.
8 professional engineers continuously developing new formulations and products — including cryogenic insulation, fire-rated materials and OEM solutions.
From consultation and product selection through installation guidance to post-sale service — Kingflex provides end-to-end insulation system solutions.
Everything you need to know about Kingflex thermal insulation products, certifications, customization and technical specifications.
From Europe and the Middle East to Asia, Africa and the Americas — Kingflex insulation solutions are trusted by contractors, distributors and project developers worldwide.
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