YKK collection 6KV (seat number 355-800), YKK sequence 10KV (seat variety 450-800) substantial-voltage three-period induction motor insulation quality F, rated frequency 50Hz, S1 constant doing work program, defense quality IP44 or IP54, cooling method IC611, leading with air-to-air cooler, set up form IMB3 (horizontal with foot), seat number 630 and with base foot. The upper 2-pole motor and YVPKK variable frequency motor cooler with fan are cooled by IC646.

ZheJiang Welwoo Electrical power Co., Ltd. was started in April 2006.It has 216 staffs.The main manufacturing are low high voltage motors, new vitality electrical vehicle using motors and controlled programs,and metal equipment reduction motors.Its a company of research,manufacture,income,services,global trade.