Raw materialsRefers to the substances used to produce other goods, which are the foundation of manufacturing and construction industries. Raw materials can be natural or artificial, and they can be classified into multiple categories. The included products are: high-calcium powder.

High-calcium powderIt is a powder made from the ore used to burn quicklime, also known as stone powder. It is called high-calcium powder because it contains a high amount of calcium. It is widely used in the production of rubber, paper, coatings, plastic-aluminum profiles, ceramics, cement, smelting, refractory materials, medicine, food, daily chemicals, and architectural crafts.