Leary Luoyang Bearing Co., Ltd., is a long life after strength and precision, ultra-thin squash bearing on the machine are required 24 hours a day 365 days a year non-stop, fast bearings are 24,000 revolutions per minute, year to turn 12,600,000,000 turn over, under normal circumstances can be used normally 4-5 years, so that products can be regarded as qualified products, even 1 year 10 billion turn 4-5 4-5 billion years also turn the robot said Han also take so long life. "