With the increase in environmental protection pressure, on the one hand, the price of sand and gravel has soared. Many places have cut off the supply of sand and gravel, and the production of commercial concrete mixing plants has ceased. Ceramsite companies have strived to improve product quality and expand application areas to replace stone market shares with a small portion .
On the other hand, the resource-based disposal of solid and hazardous waste has become a hot spot in the industry. Because the production of ceramsite can absorb solid waste, some ceramsite companies have environmental protection functions and have become environmental treatment companies and solid waste disposal centers.