Luoyang Zhuanpan Slewing Ring Co. , Ltd. (LYZP), Which obtained the certificate of Quality Management System ISO9001: 2000, Is a manufacturer specialized in producing and selling extra large bearings (diameter between 400mm- 5000mm), Slewing bearings as well as non- Standard special bearings. Our products have been extensively applied in various industries and high tech fields both home and abroad, Like Railway, Automobile, Metallurgy, Mining, Petroleum chemistry, Water conservancy, Power, Machine tools, And special machine tools, Etc.