This product is Silicon steel scrap made by after dismantling transformer. There are many kinds of types. For example, Round type, Z-type and Rectangle and so on... We are exporting Silicon steel scrap to Vietnam and China, Vietnam for a long time. This product is loaded in 20 feet Container when shipping. We can supply this product of about 60 ~ 200mt / per month and payment terms is mainly at sight irrevocable L/C or T/T ( 20% in advance before shipment ). If you're interested in our product , please do not hesitate to contact us any time.