the simple crankshaft are used for diesel engine made of rolled steel 45# the engine crankshafts are made according to our clients .there are four kinds of them. 

Rizhao Zhongsheng Forging Company Ltd. specializes in manufacturing forged products, including airplane parts,auto parts, motor vehicle accessories, agricultural machinery parts, container accessories, and so on. Material:ASM 1045

Packing way:Plywooden case

Heat-treatment:Quenching and tempering

crankshaft -engine part