Kingflex
Kingflex Insulation Co., Ltd. — Professional manufacturer of NBR/PVC rubber foam insulation, rock wool, and glass wool products. Trusted by clients in 66+ countries with 600,000 m³ annual production capacity.
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Our research, development, and production department is located in Dacheng — the well-known capital of green-building materials in China. We are an energy-saving, environmentally friendly enterprise concentrating on research and development, production, and sales.
In operation, Kingflex takes energy saving and consumption reduction as the core concept. We provide comprehensive insulation solutions through consultation, R&D, production, installation guidance, and post-sale service — leading the development of the global building materials industry.
State-of-the-art automated production ensuring consistent quality at scale.
Trusted partner for projects across six continents and major global markets.
Dedicated research team continuously innovating insulation formulations.
BS 476, CE, REACH, RoHS, UL94, ASTM and more international standards.
From closed-cell structure to global logistics, every aspect of our operation is engineered to deliver superior insulation performance and unmatched reliability.
Our NBR/PVC rubber foam achieves over 98% closed-cell rate, delivering outstanding thermal insulation, moisture resistance, and long-term stability in demanding environments.
All Kingflex products are flame retardant and self-extinguishing off fire, meeting BS 476, UL94, and ASTM safety standards for building and industrial applications.
Engineered to perform reliably from -40°C to +105°C, our elastomeric insulation is ideal for both cryogenic cold insulation and high-temperature industrial pipeline applications.
Kingflex holds the prestigious designation as an approved production enterprise by three major Chinese government ministries — a testament to our manufacturing excellence, product reliability, and adherence to national energy-saving standards. This recognition positions us as a benchmark supplier for large-scale infrastructure, industrial, and commercial insulation projects both domestically and globally.
Low water vapor permeability prevents condensation on cold pipes and surfaces, protecting systems from corrosion and energy loss over a 10–15 year service life.
We support full OEM service and custom specifications — thickness from 6mm to 50mm, ID from 6mm to 114mm — tailored precisely to your project requirements.
Every Kingflex product batch is fully traceable from raw material sourcing through production and delivery, ensuring complete quality accountability for your supply chain.
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 pioneering legacy that defines our commitment to innovation.
At present, Kingflex has 5 large automatic assembly lines, with an annual production capacity of more than 600,000 cubic meters. Kingflex has become a designated production enterprise appointed by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry.
Our products are widely used in construction, petroleum, chemical, national defense, aerospace, and other industries. Kingflex products have been exported to more than 66 foreign countries over the past 16 years, establishing a global footprint backed by consistent quality and reliable supply.
Our dedicated R&D team of 8 professional engineers continuously advances insulation technology — developing formulations that exceed international performance benchmarks for thermal conductivity, moisture resistance, and fire safety.
Advanced NBR/PVC compound formulations optimized for closed-cell structure and long-term performance.
Rigorous in-house testing for thermal conductivity, moisture absorption, compression resilience, and fire resistance.
Bespoke product development for specialized applications in aerospace, defense, and cryogenic industries.
Eco-friendly formulations meeting REACH, RoHS, and global environmental compliance standards.
Kingflex products have passed rigorous international certification processes, ensuring compliance with global building, industrial, and safety standards across all major markets.
Our employees are amazing in their own right, but together they are what makes Kingflex such a 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 8 professional engineers in the R&D Department, 6 dedicated international sales professionals, and 230 skilled workers in the production department — all committed to delivering insulation excellence from concept to delivery.
Kingflex thermal insulation products are widely used in construction, petroleum, chemical, national defense, aerospace, and other industries — available in rubber foam, rock wool, and glass wool formats.
From central air conditioning to aerospace, Kingflex insulation products deliver proven performance across the most demanding application environments worldwide.
Kingflex insulation products have been successfully installed in major projects across 66+ countries — from commercial buildings and industrial plants to cold chain facilities and infrastructure projects.
Kingflex provides a full set of energy-saving insulation system solutions to customers worldwide — serving as an integrated solution provider for thermal insulation, cold insulation, and noise reduction for buildings and industries globally.
Our products are exported to over 66 countries across Asia, Europe, the Americas, Middle East, Africa, and Oceania — backed by 16+ years of international trade experience.
Kingflex maintains robust logistics partnerships ensuring timely delivery of bulk orders, with flexible packaging options and full export documentation support for all major trade lanes.
From initial consultation and product selection to installation guidance and post-sale technical support — Kingflex is your complete insulation partner throughout the project lifecycle.
Our Dacheng manufacturing base features advanced automated production equipment, rigorous quality control processes, and a clean, organized production environment that reflects our commitment to excellence.
Real conversations, real satisfaction. Kingflex maintains long-term partnerships with clients across 66+ countries, built on consistent product quality, reliable delivery, and responsive service.
Join thousands of satisfied customers worldwide. Contact our international sales team today for a customized insulation solution.
📩 Send Inquiry NowEverything you need to know about Kingflex elastomeric rubber foam insulation products, certifications, customization, and services.
Supply customers all over the world with a full set of energy-saving insulation system solutions — from initial design consultation through product supply, installation guidance, and long-term technical support.
Supply integrated solutions for thermal insulation, cold insulation, and noise reduction for buildings and industries — leading the development of global green building materials and energy-efficient construction practices.
Connect with Kingflex's international sales team today. Get expert consultation, custom product specifications, and competitive pricing for your thermal insulation requirements.