宋建忠

Novel buffering oil cylinder for hydraulic pump station

宋丽, 马继刚, 宋建忠, 2013 .

Solar energy-driven cogeneration device

张小松, 宋建忠, 2011 .

Energy-saving double-redundancy electro-hydraulic servo valve

马继刚, 宋建忠, 2010 .