YKK sequence 6KV (seat amount 355-800), YKK collection 10KV (seat variety 450-800) substantial-voltage a few-phase induction motor insulation grade F, rated frequency 50Hz, S1 continuous working program, protection quality IP44 or IP54, cooling manner IC611, best with air-to-air cooler, installation sort IMB3 (horizontal with foot), seat amount 630 and with bottom foot. The higher two-pole motor and YVPKK variable frequency motor cooler with supporter are cooled by IC646.

ZheJiang Welwoo Electricity Co., Ltd. was established in April 2006.It has 216 staffs.The primary production are reduced substantial voltage motors, new vitality electrical vehicle employing motors and managed systems,and metal gear reduction motors.Its a business of study,manufacture,sales,service,international trade.