The "2025 Fifth Central China (Zhengzhou) Mining Expo" co-organized by Henan Provincial Department of Natural Resources, China Sand and Gravel Association, China Mining News Agency and Henan Mining Association will be held in Zhengzhou, Henan from June 3 to 5, 2025.

In order to accelerate the transformation and upgrading of the sand and gravel industry, improve the manufacturing level and product quality of sand and gravel and equipment enterprises, promote the green production and construction of sand and gravel aggregate and equipment enterprises, and enhance the survival ability and development competitiveness of enterprises, this sand and gravel equipment exhibition comprehensively displays the industry's cutting-edge technologies and innovative products, and jointly explores new technologies and new products that lead to industrial upgrading, green, efficient, low-carbon and intelligent with scientific and technological innovation, and interprets the exhibition theme of "Green Innovation and Smart Future" in three dimensions.

What are the services provided by Haiwang in the field of sand and gravel aggregate industry?

 Customized classification and particle size recovery of machine-made sand

 Tailings pond sand extraction and other solutions

 River, lake and reservoir dredging and sand selection

 Sand washing, sewage treatment, and zero wastewater discharge overall design and installation

Haiwang sand and gravel sewage treatment field services

 Aggregate wet production line wastewater reuse

 Industrial water extraction and purification

 Mineral processing engineering slurry concentration

 Tailings dry discharge and filling