The large-scale gypsum powder calcining equipment ordered by Guizhou customers has an annual output of 300,000 tons, and uses coal as the heat source. This equipment integrates drying and calcining, which is an upgraded product based on our company's summary of previous project experience and innovative design. In addition to the main engine, the production line is also equipped with anti-blocking silo, conveyor, crushing and screening equipment, cooling storage, dust collector, desulfurization tower and other equipment.