YKK series 6KV (seat variety 355-800), YKK collection 10KV (seat variety 450-800) substantial-voltage a few-period induction motor insulation grade F, rated frequency 50Hz, S1 constant doing work system, protection grade IP44 or IP54, cooling manner IC611, best with air-to-air cooler, set up kind IMB3 (horizontal with foot), seat amount 630 and with bottom foot. The higher two-pole motor and YVPKK variable frequency motor cooler with enthusiast are cooled by IC646.

ZheJiang Welwoo Electricity Co., Ltd. was started in April 2006.It has 216 staffs.The principal generation are low substantial voltage motors, new strength electric auto using motors and controlled methods,and metal gear reduction motors.Its a organization of analysis,manufacture,income,services,intercontinental trade.