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