Hwange Colliery Co Ltd is a producer of coal, energy and related products. Its activities involve mining and processing coal, production of coke, coal bed methane gas and related by-products. Hwange operates in three segments Mining, Medical Services, and Estates. The company's products and by-products include coal, coke, benzole, tar naphthalene and coke oven gas. Its coal products are marketed in three broad categories; thermal coal, industrial coal and coking coal while the coke is marketed in four distinct categories; foundry coke, metallurgical coke, coke peas and coke breeze. Hwange derives the majority of the revenue from Mining segment.