German Luosen Ke Machinery Manufacturing Co., Ltd. recently successfully developed and Ho Chi Minh City in Vietnam Textile Trade Fair successfully launched a smart and economical cot grinder that manually rotating cylinder precision rubber roller grinder. This grinder has honed precision grinding, easy operation and reasonable price, which is widely used in all conventional rubber roller spinning machines, ring spinning top roller, flyer top rollers, top rollers roving machine and open top roller or the like . It is reported that the new center is equipped with a rubber roller grinder or lever arm, so it can load and the other side is ground and polished manner. And this new grinder with dust discharge, diamond grinding stone and other accessories. The new grinding roller maximum diameter of 50 mm, 170 mm long, the machine can handle 240 per hour minimum roller, most of the time to reach 360. And the use of this new type of rubber roll grinders, Cylindrical Roller tempered after deviation does not exceed 0.02 mm. To make it more accurate, better quality than before.