Concrete is the foundation of the development of modern society.
Moreover, it provides shelter for billions of people.
And it strengthens human defense against natural disasters. Meanwhile, it provides a structure for health-care, education, transportation, energy, and industry.
Besides, people combine it with steel rods or mesh.
And this is the foundation of skyscrapers.
So, concrete is the most widely used substance on earth.
Moreover, its usage is second only to water.
Compared with steel, wood, plastic, and aluminum, it is used twice as much as their total.
Among them, the ready-mixed concrete industry is the largest market segment in the concrete industry.
By 2025, people expect the revenue of the concrete industry to exceed US$600 billion.
However, its carbon emissions are also large.
Specifically, its emissions will reach 2.8 billion tons, second only to the carbon emissions of China and the United States.
Concrete delivery-an important part