The afternoon of June 6^th, the square bloom smoothly gone through the high-speed wire line designed by CISDI for Dazhou Iron & Steel Corp. that signed a successful hot test loading. The finished wire coils were collected after the 150mm*150mm square bloom went through 6 rough mills, 6 intermediate mills, 6 pre-finished mills, 10 finishing mills, laying head, air-cooled line and the coil reforming station.