几年来，总后3520厂领导重视能源工作，每年投入大量资金，加强节能技术改造工作，不断采用节能技术和更新改造设备，使企业在节能方面取得了明显成绩。1．投资50多万元，更新改造了供电系统，更换了2台15forVA节能型变压器，节电能力20％，按去年耗电7op万kwh计，年节电14万脱 Over the past few years, the total leadership of the 3520 plant focus on energy work, invest a lot of money each year to strengthen energy-saving technological transformation, continuous use of energy-saving technologies and renovation of equipment, so that enterprises have made remarkable achievements in energy conservation. 1. Invest more than 500,000 yuan, renewal and transformation of the power supply system, replacing two 15forVA energy-saving transformers, saving 20% ​​of capacity, according to last year, power consumption 7op Wan kwh dollars, the annual saving 140,000 off