Rock wool boards are generally considered to be a relatively economical insulation material in China. The relatively lower cost may be influenced by various factors, including manufacturing costs, raw material availability, production scale, and market competition. In China, rock wool boards are widely used due to their excellent thermal insulation and fire resistance properties in the construction and industrial sectors.

However, the specific price of rock wool boards may still be influenced by factors such as different regions, manufacturers, specifications, and brands. For a specific project, it is recommended to contact different suppliers, obtain detailed quotes, and compare them while considering quality and performance to ensure the selection of rock wool boards that best suit the project requirements and budget.