... powder, liquid can be used 4.Environmental protection Ultrasonic Sieving Machine 1. Application range: Tungsten powder,Tweezer powder,Cobalt powder,Stainless ... ,etc. 2. Features: a. Any powders and mucilage are suitable for screening; b. Easily to replace the screen, only 3-5 ... will not notify additionally Ultrasonic Device the detailes of the machine Ultrasonic Sieving Machine for Znic Powder