国产伦精品一区二区三区千人斩_午夜免费无码特黄毛片_日本成人在线视频三级片_天堂网www中文天堂在线互動交流_丁香六月手机综合缴情_国产剧情av诱惑_日韩国产亚洲欧美一区二区久久_免费黄色网站不卡在线观看_国产?亚洲 日韩 欧美 综合_日韩乱妇乱女熟妇熟女AV

Founded in 1965, Guilin 2nd Machine factoryis an enterprise chosen the metal ministry of machine-building industry specializing in manufacturing metal cutting machine tools, As an important factory of the county producing a series ofradial drilling machines and the NC milling & boring machines, the factory is one of earliest enterprises which has been acqui...