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Nanjing Hairui Heat Preservation Material Limited Liability Company – established in March 2008, specializing in rock wool insulation, rubber plastic boards, ceramic fiber, and glass wool materials for industrial and construction use.
Nanjing Hairui Heat Preservation Material Limited Liability Company was established in March 2008. We are a production-oriented enterprise specializing in the manufacturing of rock wool boards, rubber plastic boards, glass wool, and ceramic fiber products.
With over 16 years of experience, our company has built a strong reputation for quality and reliability. Our products have passed ISO9001-2000 quality system certification, and our rock wool products are certified by the China Classification Society (CCS).
Years of Experience
Production Workers
Global Customers
Tons Annual Output
We offer a wide range of high-performance insulation materials designed for industrial, commercial, and agricultural applications.
Flexible, durable insulation with excellent thermal and acoustic performance. Ideal for HVAC systems, refrigeration, and building insulation.
Rigid insulation panels made from molten rock, offering superior fire resistance and thermal insulation for walls, roofs, and industrial equipment.
Flexible rock wool insulation in roll form, perfect for wrapping pipes, ducts, and irregular surfaces in industrial and commercial settings.
Hydroponic growing medium made from rock wool, providing excellent water retention and aeration for greenhouse farming and vertical agriculture.
High-temperature insulation material used in furnaces, kilns, and industrial heating systems. Withstands extreme heat up to 1400°C.
Fiberglass-based insulation board with excellent sound absorption and thermal insulation properties. Commonly used in walls, ceilings, and HVAC.
Closed-cell rubber insulation ideal for refrigeration, chilled water systems, and condensation control in humid environments.
High-density insulation material used in industrial piping, boilers, and structural fire protection. Offers excellent thermal and acoustic performance.
Our insulation materials are trusted across multiple industries for safety, efficiency, and durability.
Insulation for turbines, boilers, and high-temperature pipelines ensures safe and efficient energy generation.
Protects circuits and machinery from overheating and short circuits with reliable thermal insulation.
Used in walls, roofs, and HVAC systems for energy efficiency, soundproofing, and fire safety.
High-temperature insulation for furnaces, ladles, and molten metal handling equipment.
Corrosion-resistant insulation for reactors, storage tanks, and chemical processing units.
Fire-rated and moisture-resistant insulation for engine rooms, cabins, and ventilation systems.
For product inquiries, technical support, or business collaboration, reach out to us directly.
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