Explore our premium portfolio of industrial insulation materials built for thermal endurance, low thermal conductivity, and optimal structural resilience.
Kingflex is established by Jinwei Group, boasting more than 45 years of continuous manufacturing history. Founded in 1979, the group pioneered thermal insulation manufacturing north of the Yangtze River, growing into a global industry benchmark.
Kingflex is established by Jinwei Group which has more than 45 years history. Kingway Group was established in 1979 as the first manufacturer of thermal insulation materials north of the Yangtze River. Over four decades of continuous refinement, we have evolved into a trusted technological leader in energy-saving material production.
Our employees are exceptional in their own right, but together they form a tightly knit, talented group united by a shared vision: delivering consistently first-class service to our international clients. Kingflex houses 8 professional engineers in our R&D department, 6 professional international sales specialists, and 230 skilled experts in our production facilities.
An in-depth analysis of global procurement demands, future technological roadmaps, and localized compliance standards for high-performance insulation blankets.
Industrial sectors worldwide—ranging from petrochemical processing plants to mega-scale power generation facilities—are increasingly demanding high-density, non-combustible thermal barriers. Procurement managers prioritize compressive strength, low binder content, and proven performance under extreme thermal stress (-200°C to over 650°C).
Navigating international regulatory frameworks requires rigorous certifications. Kingflex products comply with BS 476, CE, REACH, ROHS, UL94, and ASTM standards. Our engineering team provides tailor-made compliance documentation to clear local customs and regional fire safety codes smoothly.
Future iterations of rock wool and elastomeric composites focus on ultra-low thermal bridging, automated fiber spinning, and eco-friendly biosoluble binders. Our R&D investments ensure that our manufacturing lines anticipate zero-carbon building mandates and stringent industrial energy regulations.
Certified by top regulatory bodies globally, our engineering excellence guarantees maximum safety and energy efficiency for critical infrastructure projects.
State-of-the-art laboratory facilities allowing strict thermal conductivity, tensile strength, and fire retardancy testing.
Real-time optical and mechanical sensors monitoring blanket density and thickness consistency across assembly lines.
Vacuum-sealed, weather-resistant packaging engineered to withstand maritime transit and preserve material integrity.
Discover our comprehensive inventory tailored for cryogenic piping, high-temperature industrial boilers, and acoustic dampening installations.
Material: NBR/PVC
Thickness: 6mm-50mm
Density: 40-55kg/m³
Service Temperature Range: -40℃ to 105℃
Material: NBR/PVC
Thickness: 9mm-40mm
ID: 6mm-114mm
Density: 40-55kg/m³
Service Temperature Range: -40℃ to 105℃
Expert answers to critical procurement and technical inquiries regarding our insulation solutions.
A1: Rubber foam is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, and sound insulation. Rock wool is engineered for high-temperature industrial pipelines, boilers, and fireproof partition walls.
A2: Yes, our insulation lines are strictly fire retardant, meeting international safety standards such as BS 476 and UL94 for commercial and industrial construction projects.
A3: Rubber foam is flexible, closed-cell, and moisture-proof, ideal for HVAC and cold water systems. Rock wool offers superior high-temperature resistance up to 650°C+ and exceptional acoustic/fireproof properties.
A4: Yes, we fully support OEM and ODM services to accommodate unique project specifications, custom dimensions, and specialized facings.
A5: Our products have passed BS 476, CE, REACH, ROHS, UL94, and ASTM certifications, ensuring compliance with strict global markets.
A6: Yes, all Kingflex production batches feature complete traceability codes for strict quality management and auditing.
A7: We produce rubber foam sheets and rolls from 6mm to 50mm, and rock wool blankets/boards in various industrial thicknesses tailored to order.
A8: When properly installed and maintained within specified temperature ranges, our insulation solutions provide a stable service life of 10 to 15+ years.
Kingflex
