Rock wool products are mainly made of high-quality basalt, dolomite, etc. After being melted at a high temperature above 1450°C, they are centrifuged into fibers at high speed by an internationally advanced four-axis centrifuge, and at the same time, a certain amount of adhesive, dust-proof oil, and water-repellent After being collected by the cotton collector, through the pendulum process, adding three-dimensional auxiliary cotton, it is solidified and cut to form rock wool products of different specifications and uses.