HLM series vertical mill is a kind of advanced mill developed by HongCheng based on two decades of R&D experience and introduction of foreign advanced technology. It features in a combination of drying, grinding, classifying and conveying. HLM vertical mill is widely used in power, metallurgical, cement, chemical and non-metallic industry, such as cement raw material, clinker, limestone, slag, manganese, gypsum, coal, barite, calcite, etc.