LTZC was founded in Luoyang, Henan in 1992 and is a professional manufacturer of super large bearings. The company's products cover four categories: rotary bearings, non-standard precision bearings, etc. It can produce super large bearings with outer diameters ranging from 300 to 10000mm and precision levels up to P0-P4, and comply with multiple industry standards. The company has a heavy-duty workshop equipped with key equipment and produces over 4000 sets of extra large bearings annually. The product is widely used in various fields such as port machinery and wind power, selling well domestically and also exported to more than ten countries such as the United States, Russia, and Germany. It specializes in various types of rotary bearings such as single row cross rollers and four point contact balls.