Tianma (Chengdu) Precision Machinery Co., Ltd. is a Chinese company that specialises in precision bearings, slewing bearings, wind turbine bearings, and heavy-duty mechanical gearbox parts. The firm is located in the European Industrial City of Qingbaijiang District, Chengdu, Sichuan Province, and services industries like as renewable energy, construction machinery, rail transportation, ports, mining, metallurgy, industrial automation, and heavy equipment production. The firm is part of China's sophisticated bearing manufacturing industry, providing precision-engineered components for demanding industrial applications.

The company's primary product portfolio includes wind turbine generator (WTG) bearings, engineering machinery slewing bearings, large-diameter precision bearings, yaw and pitch bearings, railway-related bearing systems, industrial bearing assemblies, and customized bearing solutions. These products are used in wind energy installations, cranes, excavators, port equipment, metallurgical facilities, material handling systems, and other heavy industrial applications where reliability and load-bearing performance are critical. Through its manufacturing capabilities, Tianma provides components that support both domestic Chinese industries and international industrial equipment markets.