Tianrun Industry Technology Co., Ltd. manufactures and sells internal combustion engine crankshafts in China and internationally. It offers passenger car, marine engine, and light, medium, and heavy crankshaft; and saw off, and expanding and breaking connecting rod. The company also provides construction machinery; wind power products, such as transmission housing, planetary gear carrier, dena motor housing, and hub assembly; hydraulic parts; and intelligent equipment. It sells its products under the TIAN brand. The company was formerly known as Tianrun Crankshaft Co., Ltd. and changed its name to Tianrun Industry Technology Co., Ltd. in April 2020. Tianrun Industry Technology Co., Ltd. was founded in 1954 and is headquartered in Weihai City, China.