Since established in 1996,Jiangsu Songyan Crankshaft Manufacture Co.,Ltd specialized in producing the crankshaft for machine tool, air compressor, matal forming machine. The plentiful working experience,crack detection and testing equipments make us became a member of china machine tool associate Our products has been exported to American Coutries,European Coutries and Asian countries. Supperior quality and competitive price is the goal we are cherishing. Welcome all the customer all over the world to appreciate our crankshaft