CHINALCO.CHINALCO was founded in 2004, headquartered in Zhengzhou High-tech Zone, is a national speciality, speciality and new small giant enterprise and alumina energy-saving mixing engineering technology research center. The company has been deeply engaged in the field of fluid mixing equipment for more than 30 years, and has pioneered the localization of domestic mixing devices: in 1990, it cooperated with Robin of France to realize the localization of the first imported equipment; in 1995, it developed the first mixing equipment for vinylon polymerization kettle to fill the gap in the field of large viscosity; and in 2013, it pioneered the mixing technology for pipeline conveying of coal slurry. The leading products cover thickener, evaporator and non-standard equipments, which have been awarded more than 70 patents, and 19 technologies have reached the domestic advanced level. The company has a technical team of 127 people, and has established production-academia-research cooperation with many colleges and design institutes. φ19×22m refining catalyst mixing device researched and developed in 2021 has set a record as the largest in China, with an annual output value of more than 500 million yuan, and serves eight industries, such as alumina, coal chemical industry and so on.