Fire-Resistant Industrial Rockwool Insulation Board for Fire Door

Nanjing Zhongrunda is a leading innovative enterprise in China's new building materials field, specializing in the R&D, manufacturing, and distribution of high-end rock wool products. Our core advantage lies in our 'Dual-Service Model': Factory Direct with strict quality control and competitive pricing, and Global Brand Distribution as an authorized distributor for world-renowned brands such as ROCKWOOL, Owens Corning, ABM, and Dragon Brand. This allows us to offer one-stop solutions, providing

We specialize in high-performance insulation materials, including Rock Wool (pipes, boards, felts), Glass Wool (pipes, boards), and Pumice Cleaning Stone, etc. These products are widely used in industrial and building insulation for their excellent thermal and acoustic properties.

Absolutely. We are not just a manufacturer but a 'High-end Rock Wool Integrated Service Provider.' We specialize in vertical market segmentation, meaning we don't just sell standard slabs. We offer tailored solutions for: Curtain Walls (specially designed fireproof and thermal insulation boards with aluminum foil facing for smoke barriers), Industrial Applications (pipe sections and shells for petrochemical and metallurgical industries), and Agriculture & Special Fields (including agricultural r

Our products are primarily exported to global markets, including but not limited to Southeast Asia, Europe, the Middle East, and North America.

Standard orders typically ship within 15-30 days after confirmation, depending on product specifications and order volume.