... quality raw material and 24-hours service JIANGYIN YICHUAN ELECTRICAL CO.,LTD Sales conpect: Sincerity,Quality assurance,the customer ... B35A440 b) Tai steel: 50TW800, 50TW600, 50TW1000, 50TW470 c) Wu steel: 50WW1300, 50WW800, 50WW600, 50WW470, 350WW360, 350WW310 4) Applicable ... .0EI-21021017570353510514010.0EI-240240200801604012016010.0 high quality electrical silicon steel transformer EI core