Luoyang Heavy-duty Bearing Co., Ltd.(LTZC)was founded in 1992. It is a company specializing in the R&D, production and sales of extra-large bearings. Its main products include slewing bearings, thin-section bearings, gear rings, slewing drives, flanges and other related products. The precision grades of its products cover P0, P6, P5 and P4. Adhering to the principle of "Making customers' operation more precise", the company continues to innovate and develop.

The company is located in the Bearing Industrial Park, Xianglu Mountain Town, Yiyang County, Luoyang City, Henan Province, covering an area of about 20,000 square meters. It has advanced processing and testing equipment, with over 20 years of R&D and production experience. The company has become a well-known bearing supplier, and its products are exported to more than ten countries including the United States, Italy, India and Russia.