Tenders for Supply Of 400 Amps Igbt Inverter Based Manual Metal Arc Welding Machine Equivalent To Ador F Ontech Model No: Tornado 401 As Per Technical Specifications, Standard Accessories & Features Attachment Annexure-A. Makes: Ador Fontech Or Fronious Or Esab Or Warpp Engineers Or Panasonic. Warranty Period: 12 Months After The Date Of Delivery