After melting at temperature above 1450℃, it is centrifuged at high speed using worldwide advanced four-axis centrifuge.

Dimensions, while spraying a certain amount of binder, dustproof oil, water repellent and collecting by a cotton collector.

Through the pendulum method, and three-dimensional method, curing, then cut to form rock wool products with various specifications and uses.

Rock wool conforms to GB11835, GB50264, DL/T5072, domestic and international standards such as SH3010, ASTM C612 and JIS A9504, meet various performance testing requirements.