天津机械工业经济运行经历了由滑落到回升的过程，全系统工业总产值在1996年同比下降10％、销售收入在1998年滑落17％的基础上逐年回升，去年增幅均达10％以上，其中，出口总值占销售总额的比重，由“八五”末的6．3％上升为10．1％。这种转变的重要原因之一是天津机电工业控股集 The economic operation of the Tianjin Machinery Industry experienced a process of slipping into rebound. The total industrial output value of the whole system decreased by 10% year-on-year in 1996, and sales revenue dropped by 17% in 1998. The growth rate has reached over 10% last year. The proportion of total exports to total sales increased from 6.3% at the end of the “Eighth Five-Year Plan” to 10.1%. One of the important reasons for this shift is the Tianjin Mechanical and Electrical Industry Holding Co., Ltd.