Keysino Separation Technology Inc. researches, develops, and applies membrane separation technology in China and internationally. It provides wastewater solutions such as industrial wastewater standard discharge and reuse, salt control discharge, high salinity wastewater zero liquid discharge, and wastewater plant upgrading, along with feedwater solutions including softened, demineralized, and ultrapure water and sea water desalination. The company also offers material separations for vitamin, antibiotic, plant extractions, dairy products, organic acid, additives, amino acid, and sucrose and molasses, as well as industrial waste alkali and acid reuse, high brine salt refining, mercerizing alkali purification, and PTA recovery. In addition, it supplies KS customized systems, testing equipment, special membrane, and accessory products, serving industries such as printing and dyeing, chemical, bio-pharmaceutical, food, pulping, infrastructure, metal and mining, and electronic and new material. Founded in 2011, the company is based in Shanghai, China.