KHD Humboldt Wedag International AG provides various products and services for the cement industry worldwide. The company offers pyro processing equipment, including preheaters, calciner systems, bypass systems, rotary kilns, clinker coolers, and large fans; and firing systems, such as PYRO-JET and PYROSTREAM burners. It also provides grinding products, such as crushing products comprising impact hammer mills, pyro crushers, and clinker hammer crushes; roller presses; tube mills; V-Separators; Sepmaster separators; VSK separators; and COMFLEX, a grinding system that is used for the finish and semi-finish-grinding of raw materials, cement, and slag. In addition, the company offers process automation systems, such as PRODUX-Plus, a process control system for the operation of plants in the cement, coal, and minerals industries; ROMIX control systems; SCANEX, an infrared kiln shell diagnostic system; SIMULEX for cement plant operations; MILLEXPERT system for the automatic operation of grinding systems; and PYROEXPERT, a kiln automation system. Further, it provides spare and wear parts; plant services, such as supervision services for erection or repair, process/operating training, maintenance training, process optimization, mechanical and process audits, CFD studies, hot kiln alignments, and raw material testing; and test center services. The company was founded in 1856 and is headquartered in Cologne, Germany. KHD Humboldt Wedag International AG is a subsidiary of AVIC International Engineering Holdings Pte. Ltd.