Tianrun Industry Technology Co., Ltd. manufactures and sells internal combustion engine crankshafts in China and internationally. It offers crankshafts comprising passenger car and marine engine; large bore; light, medium, and heavy duty engine; and saw off, expanding, and breaking connecting rods. The company also provides ductile iron crankshafts, cast iron pistons and connecting rods; cam, flange, and balance shafts; flywheels; flywheel housings; cylinder heads; turntables; bases; and rocker and short arms. In addition, it offers planetary gear carriers; lifting arms; various commercial vehicle brake; transmission; calipers; brake shoes; steering gear, main reducer, differential, clutch, and wheel-side reducer housing; balance and cross beams; brackets; and castings for robots, engines, new energy, wind power reducers, vacuum and gas heat pump housings, and machine tools. Further, the company provides control levers, swashplates, gear rings, steering knuckles, camshafts, booms, and bearing caps; construction and agricultural machinery, new energy, robotics, hydraulics, wind power, and commercial vehicle parts; forgings; hydraulic transmission system components; and aluminum alloy die-cast parts for gearboxes, internal combustion engines, and new energy vehicles. Additionally, it provides air suspension systems for truck chassis and semi-trailers; rubber suspension systems for engineering vehicles; suspension systems for truck cabs and passenger cars; gantry mechanical robots, intelligent logistics buffer and intelligent detection systems; produces and sells packaging boxes and bags; and operates molds and tooling manufacturing businesses. 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, China.