The existing ink production process usually uses three-roller mill to disperse the ink. Since the solid ink material needs to be repeated at least three times by three-roller mill, and then it can reach particle size requirement of ink dispersion for ink production. And with the features of low production efficiency, high energy consumption and high labor intensity. Nova has made a significant breakthrough in the field of grinding and has developed a variety of new grinding products, greatly improving the fineness and efficiency of grinding and overcoming the defects like incoherent producing process, low production efficiency and high energy consumption of exsiting technology.