... , enhance the class, reduce maintenance costs“Mt.Fuji” roller is a kind of machinery tool, adopting the electrochemistry recombination process technology. Its ... same distant, height and similar dimension.The top diameter of the protrusion is 10μm~100μm,height 30μm~100μm ... painting cloth etc.) . They can bite into every kind of paper, ensure site, speed and accuracy, and realize input and output signal ...