Ee. Igwe Changsha Haochang (HC Enginepart) na-arụpụta ihe ngbanwe crankshaft maka EMD 645-usoro locomotive mmanụ dizel. Ọkpụkpọ crankshaft dị maka nlele nlele ozugbo - ndị na-azụ ahịa nwere ike nyochaa akụkụ akwụkwọ akụkọ, ọgụgụ isi ike, na imecha elu tupu ha etinye olu. A na-enye akwụkwọ ikike nrụnye nke otu afọ na crankshaft EMD645 ebugoro n'okpuru ụdị HC. Emepụtara ngwaahịa niile na nkọwapụta OE wee kwado ya n'okpuru ISO 9001: 2026. Maka arịrịọ nlele na nkọwapụta, kpọtụrụ anyị.