Keysino Separation Technology Inc. engages in the research, development, and application of membrane separation technology in China and internationally. The company offers wastewater solutions, including industrial wastewater standard discharge and reuse, salt control discharge, high salinity wastewater zero liquid discharge, and wastewater plant upgrading; feedwater solutions comprising softened, demineralized, ultrapure water, and sea water desalination; and material separations for vitamin, antibiotic, plant extractions, dairy products, organic acid, additives, amino acid, and sucrose and molasses. It also provides industrial waste alkali and acid reuse, oiling agent, indigo dye, mother solution, protein, titanium dioxide, nonferrous metal, and catalyst reuse; high brine salt refining; mercerizing alkali purification; hemicellulose, lignin resource, and acidic water-oriented utilization; high brine fine pre-treatment; and PTA recovery.