Kingflex
Kingflex — Trusted by engineers in 88+ countries. Delivering high-performance thermal, cold & acoustic insulation solutions for HVAC, construction, industrial & petrochemical sectors.
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 regional producer, Kingflex has grown into a globally recognized brand, supplying comprehensive energy-saving insulation system solutions to customers across six continents.
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.
Our state-of-the-art production facility combines advanced automation with rigorous quality control at every stage — from raw material selection to final product inspection — ensuring every roll, sheet and pipe meets international standards.
Kingflex thermal insulation products are widely used in construction, petroleum, chemical, national defense, aerospace and other industries. Exported to more than 88 countries worldwide over the past 16+ years.
High-performance closed-cell NBR/PVC pipe insulation for HVAC and chilled water systems.
Enhanced chemical resistance for petrochemical and industrial process pipelines.
Superior flexibility for complex routing in tight mechanical spaces and building services.
Standard NBR/PVC black pipe insulation — the industry workhorse for HVAC applications.
Lightweight yet effective thermal and acoustic insulation for building services pipework.
Specifically engineered for air conditioning duct and pipe insulation in commercial buildings.
Moisture-proof closed-cell system designed for buried pipeline thermal protection.
Rated to -40°C for LNG, refrigeration and cryogenic pipeline cold insulation.
High vapor resistance for cold storage, cold chain and low-temperature industrial systems.
Engineered for extreme cold environments where condensation control is critical.
High-temperature resistant and fireproof mineral wool board for industrial pipeline and equipment insulation.
Flexible mineral wool blanket for wrapping irregular-shaped equipment and high-temperature pipes.
Kingflex insulation products serve diverse sectors — from commercial HVAC to deep industrial processes — delivering reliable thermal performance, condensation control and fire safety.
Heat insulation for central air conditioning ducts, chilled water pipes, condensate pipes and fan coil units in commercial and residential buildings.
Wall, roof and basement thermal & sound insulation. Anti-condensation and anti-freezing protection for water supply and drainage pipes.
Heat insulation, sound insulation and corrosion protection for process pipes, storage tanks and industrial equipment in chemical plants.
Comprehensive insulation for steam pipes, process equipment and storage vessels. Designated supplier to Ministry of Energy and Ministry of Electric Power.
Thermal insulation for rail carriages, cold rooms and cold chain logistics pipelines requiring consistent temperature control.
Insulation and noise reduction for ventilation ducts and machine rooms in hotels, shopping malls, hospitals and public facilities.
From large-scale industrial facilities to commercial building HVAC systems, Kingflex insulation solutions have been successfully installed in projects across 88+ countries.
Over 16 years of international export experience. Kingflex products have been delivered to projects across Asia, Europe, the Americas, the Middle East, Africa and Oceania — backed by a robust supply chain and responsive global service team.
Kingflex maintains a dedicated R&D team of 8 professional engineers continuously developing next-generation insulation formulations, testing new materials and optimizing production processes to stay ahead of evolving global standards and customer requirements.
Dedicated R&D team with deep expertise in polymer chemistry and thermal physics.
Full laboratory capability for thermal conductivity, fire retardancy, moisture resistance and compression testing.
OEM capability to develop specialized insulation compounds for unique project requirements.
Products continuously updated to meet evolving international standards including BS 476, ASTM, CE and UL94.
Our 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.
Our employees are amazing in their own right, but together they are what makes Kingflex such a fun and 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 R&D Department, 6 professional international sales specialists, and 230 skilled workers in the production department.
Founded in 1979 as the first thermal insulation manufacturer north of the Yangtze River. Decades of accumulated know-how underpin every product we make.
Fully automated production ensures dimensional consistency, superior surface quality and the capacity to fulfill large-volume orders on time.
16+ years of exporting to 88+ countries. Our team understands international shipping, compliance documentation and local market requirements.
All Kingflex products carry full traceability and have passed BS 476, CE, REACH, RoHS, UL94 and ASTM certifications — giving you complete confidence in quality and regulatory compliance for any global project.
We support OEM manufacturing to meet different project specifications, including custom dimensions, densities and special formulations.
8 professional engineers continuously innovating to improve product performance and develop solutions for emerging industry challenges.
Kingflex rubber foam insulation products are designed for a service life of 10 to 15 years under normal operating conditions, minimizing lifecycle replacement costs.
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.
Learn More →Supply customers all over the world with a full set of energy-saving insulation system solutions. Kingflex is an integrated solution provider of thermal insulation, cold insulation and noise reduction for buildings and industries — committed to reducing energy consumption and carbon emissions globally.
Learn More →Real conversations, real satisfaction. Our international customers trust Kingflex for consistent quality, reliable delivery and responsive technical support — every time.
Everything you need to know about Kingflex elastomeric rubber foam insulation products, specifications and services.
Get expert advice, product specifications and competitive pricing from the Kingflex team. We serve 88+ countries with fast response and reliable delivery.
