Dc Axial Fan 80X80X25,Dc Mini Cooling Fan,Dc Axial Fan Cooling,Directly Axial Mini Cooling Fan Crown Electronics CO., LTD , https://www.crownelectronicstw.com In recent years, with the development of high-precision and high-efficiency grinding technology, higher requirements have been put forward on the precision of the roller and the complex profile, and various manufacturing processes have been formed, but the high-precision complex-shaped diamond roller has not been solved yet. Manufacturing process. The gear-type high-precision and complex-faced diamond roller we studied is the key to the development of the internal meshing process. And the manufacture of such rollers involves precision machining technology and special electricity.