Rockwool boards are inorganic fiber boards made by melting and processing basalt at high temperatures. Langfang Sor Heat Insulation Material Co., Ltd. is a major domestic rockwool producer. Our products, with excellent fire-retardant, thermal insulation, noise absorption and reduction, and green environmental protection features, are widely used in the petrochemical, textile metallurgy, power transportation, construction, and agricultural industries. Particularly in recent years, their extensive application in construction has provided strong assurance and support for China's construction of more green buildings.