Product Name: Three Phase Three Column Include Clamping Element Amorphous Iron Core Model NO.: according to the supplier drawing Frequency Characteristics: Power Frequency Usage: Power Transformer Certification: ISO9001 Cooling Method: Dry-type Transformer Core: Amorphous Alloy Transformer Phase: Three Phase Three Column Application: Power Three Phase Three Column: Dry-Tyle Transformer Amorphous: Amorphous Core Transformer: Transformer Accessory Trademark: zhaojing Transport Package: Wood Ctns Specification: according the supplier drawing Origin: China HS Code: 8504901900 Product Description It is three phase three column amorphous iron core .It is used on dry type transformer. We can do it according the supplier drawing .