YKK collection 6KV (seat quantity 355-800), YKK sequence 10KV (seat variety 450-800) high-voltage three-period induction motor insulation grade F, rated frequency 50Hz, S1 steady functioning system, protection quality IP44 or IP54, cooling method IC611, leading with air-to-air cooler, set up kind IMB3 (horizontal with foot), seat number 630 and with bottom foot. The upper two-pole motor and YVPKK variable frequency motor cooler with supporter are cooled by IC646.

ZheJiang Welwoo Energy Co., Ltd. was founded in April 2006.It has 216 staffs.The main production are minimal high voltage motors, new strength electric powered car making use of motors and managed techniques,and metal gear reduction motors.Its a organization of research,manufacture,revenue,provider,worldwide trade.