Keysino, founded in 2011, listed on the Shenzhen Stock Exchange in 2020 (stock code: 300899. SZ). Relying on plenty independently developed membrane separation application technologies, as one of the few Chinese enterprises capable of providing total solutions for membrane separation technology applications in the field of industrial fluids, Keysino is committed to provide customized solutions and services for our clients, including membrane water treatment, waste resourcezation, and material separation. Until now, Keysino's business has been developed in more than ten countries and regions, covering in plenty industries. With the mission of "Separating clean and turbid & making the best use", Keysino is always committed to helping our industrial customers to improve their resource utilization efficiency, reduce production costs, and decrease pollutant emissions, thus, to achieve mutual benefits and multi-wins between economic benefits and social environmental protection benefits.