Luoyang Bearing is a state-owned enterprise and it is difficult to enter. ZYS is a well-known trademark of Axis Technology in China. LYC is the trademark of the original Luoyang Bearing Factory. After the factory was acquired by Henan Yongmei Chemical Group, it was renamed "Luoyang lyc Bearing Co., Ltd." The Luo axis is LYC. Both families are in Luoyang, but they have always been two units. Originally they both belonged to the Ministry of Machinery, but now Luozhuan belongs to Henan Coal Chemical Industry Group, and Axisyan Technology, that is, ZYS, belongs to SINOMACH.