The boundaries of the chemical industry, then, are somewhat confused. Its main raw materials will be the fossil fuels (coal, natural gas, and petroleum), air flow, water, salt, limestone, sulfur or an equivalent, and some specialized recycleables for special items, such as 
phosphates and the Air Compressor For Production Of Chemical Raw Materials china mineral fluorspar.
The chemical industry comprises the firms that produce commercial chemicals. Central to the modern world economic climate, it converts raw materials (oil, gas, air, drinking water, metals, and minerals) into more than 70,000 different products.