Clay is defined as a natural, earthy, fine-grained material, largely of a group of crystalline hydrous silicate minerals known as clay minerals. Clay minerals are composed mainly of silica, alumina, and water, but they may also contain appreciable quantities of iron, alkalies, and alkaline earths. Clay is formed by the mechanical and chemical breakdown of rocks.

Congoclient ordered one set CS1160 cone crusher on March 10 to crush limestone, and has opened L/C after signing contract. Oriental workers have been arranging and adjusting CS1160 cone crusher, and contacting transportation details.