and the import and export scale shows a “double decline” trend

Cement clinker refers to the semi-finished product obtained by mixing iron raw materials, limestone, and clay into raw materials in appropriate proportions, and then going through evaporation, dehydration, decomposition, melting, cooling, etc. According to different characteristics, cement clinker can be divided into general cement clinker, low alkali cement clinker, medium heat cement clinker, low heat…