Yuanda Power Machinery Co,. Ltd. Is the bigger manufacturer with four branch company , we produce crankshaft ,flywheel housing. Has a CNC processing center, CNC grinding machines, CNC lathes, drilling machines, machine tools and many equipment import from oversea, with crankshaft fatigue testing machine, coordinate measuring instrument, ADCOLE measuring instrument, such representative detection device. The company in 1998 through ISO9002 quality system certification, the standard adopted in 2000, QS9000 certification in 2003 through the ISO/TS16949 quality system certification.