Kingflex
Kingflex
Kingflex Insulation Co., Ltd. is a professional manufacturing and trading combo for thermal insulation products. Our research, development, and production department is strategically located in Dacheng, China—the renowned capital of green-building materials. As an energy-saving and environmentally friendly enterprise, we concentrate intensely on research, development, production, and sales.
Operating under the core philosophy of “Energy Saving and Consumption Reduction,” we provide comprehensive insulation solutions through consultation, R&D, advanced manufacturing, precise installation guidance, and dedicated post-sale service, leading the global building materials industry.
Automatic Assembly Lines
m³ Annual Production Capacity
Skilled Production Workers
Global Countries Served
Years of Industrial Development
Modern industrial and commercial developments demand rigorous thermal management, extreme fire resistance, and superior acoustic attenuation. Procurement managers worldwide actively seek certified China Rock Wool Insulation Blanket Manufacturers who can guarantee high-temperature stability, tensile strength, and stringent compliance with international safety protocols (ASTM, BS 476, CE, RoHS).
The insulation sector is rapidly transitioning toward nano-porous thermal barriers and bio-soluble fibers. Our R&D department consistently optimizes fiber diameter distribution and binder chemistry, ensuring minimal thermal conductivity ($\lambda$) and maximum structural integrity under continuous thermal stress up to 700°C.
From petrochemical refineries and power generation plants to modular HVAC systems, Kingflex delivers turnkey thermal insulation architectures. We provide localized technical support, custom blanket dimensions, and complete material traceability to eliminate project friction and ensure regulatory compliance.
Kingflex is established by the Jinwei Group, boasting a proud history of more than 45 years. Jinwei Group was founded in 1979 as the pioneering manufacturer of thermal insulation materials north of the Yangtze River. This rich legacy grants us unmatched engineering depth and production reliability.
Our employees are exceptional individually, but together they form the beating heart of Kingflex. Our tight-knit, talented team shares a singular vision: delivering first-class, reliable service to every client. Our staff includes 8 professional R&D engineers, 6 international trade specialists, and 230 dedicated production workers.
Equipped with state-of-the-art thermal conductivity analyzers, acoustic chambers, and fire behavior testing rigs to ensure superior product performance.
Five large-scale automatic assembly lines yielding over 600,000 cubic meters annually, officially designated by national energy and power ministries.
Fully certified under BS 476, CE, REACH, RoHS, UL94, and ASTM standards, confirming unwavering compliance with global quality benchmarks.
Standard Dimension: Material: NBR/PVC | Thickness: 6mm-50mm | Density: 40-55kg/m³ | Temp: -40℃ to 105℃
Advantage: Closed cell rate >98%, excellent fire retardancy, compression resilience over 80%.
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Standard Dimension: Material: NBR/PVC | Thickness: 9mm-40mm | ID: 6mm-114mm | Temp: -40℃ to 105℃
Advantage: Prevents freezing and condensation cracking for HVAC and industrial pipelines.
Click here to view related productsA1: It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and acoustic sound insulation.
A2: Yes, our rubber foam insulation products are fire retardant and self-extinguishing, meeting stringent international building and industrial safety standards.
A3: Rubber foam is flexible, closed-cell, and moisture-proof, ideal for HVAC and low-temperature plumbing; Rock wool offers exceptional high-temperature resistance and fireproofing, making it perfect for industrial boilers and high-temp pipelines.
A4: Yes, we fully support OEM and custom manufacturing services to accommodate precise project requirements across global markets.
A5: Our products have passed BS 476, CE, REACH, RoHS, UL94, and ASTM international certifications, ensuring verified quality and global regulatory compliance.
A6: Yes, every batch of our insulation material is fully traceable from raw material sourcing to final delivery.
A7: We manufacture precision sheet rolls ranging from 6mm up to 50mm in thickness.
A8: Under standard operational conditions, our insulation systems provide a durable service life of approximately 10 to 15 years.
