YKK collection 6KV (seat quantity 355-800), YKK collection 10KV (seat quantity 450-800) high-voltage a few-section induction motor insulation quality F, rated frequency 50Hz, S1 steady functioning technique, safety quality IP44 or IP54, cooling mode IC611, top with air-to-air cooler, set up kind IMB3 (horizontal with foot), seat amount 630 and with base foot. The upper two-pole motor and YVPKK variable frequency motor cooler with fan are cooled by IC646.

ZheJiang Welwoo Electrical power Co., Ltd. was established in April 2006.It has 216 staffs.The principal generation are reduced higher voltage motors, new power electrical vehicle using motors and managed systems,and metal equipment reduction motors.Its a organization of research,manufacture,income,support,intercontinental trade.