Abstract: The pass system design of the No.10 finishing stand for exit wire rod Ø 6.5 mm at the Pangang's high speed wire rod rolling mill is made using the computer aided pass design software.Good service resuits are obtained through production practice. Successful attempts have been made to optimize performance and increase productivity of the first home-manufactured non-twist mill.Remarkable economic benefits have been achieved at Panzhihua lron and Steel Co.