摘要
Baotou Motor Works is a state-run motor pro-ducer in China.The invention of Nd-Fe-B perma-nent magnet has helped the plant successfully devel-op ZYN series dc motors which possess the advan-tages of reduced volume,light weight and high effi-ciency.Since 1991,the dc motor has been exten-sively applied to metallurgical machines to take theplace of the traditional Z3 series motors.
