... special suit for high speed grinding, dispensing or mixing PCB ink, conglomeration of Nano material, Ultramicro powder and other liquid, paste ... , different grinding media can be selected, such as glass beads, ceramic beads (including zirconium silicate beads, zirconia beads, aluminum oxide beads ... , rare earth stabilized zirconia beads, etc.), ball and so on. Ink mixer, Efficient grinding mixer