Tianrun Industry(002283.SZ)

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.