Luoyang Lirui Bearing Co., Ltd.'s strength is long life and high precision. After the ultra-thin squash bearings are on the machine, they are required to stop 24 hours a day, 365 days a year. The fast bearing is 24,000 rpm. It should be transferred to more than 12.6 billion rpm in one year. Under normal circumstances, it can be used normally for 4-5 years. Such a product can be regarded as a qualified product, even if it is 10 billion rpm in 1 year, it is 4-5 billion rpm in 4-5 years. The robot said that you can't use such a long life.