SAT NANO is an excellent manufacturer of 3.5um 99.9% Micron WS2 powder in China. nmicron tungsten disulfide powder has been widely used in fields such as superhard materials, cermets, ultrasonic cutting tools, nanomaterials, etc. due to its extremely high hardness, high-temperature stability, and corrosion resistance. Micron WS2 powder is produced by SAT NANO is best-selling in various countries around the world.