果冻传媒一区二区天美传媒中文字幕日韩不卡一区二区|91久久精品视频91大神吴妞妞第二部|99久久精品国产亚洲91爱爱爱视频|国产精品福利视频喷尤物网|国产av高清一区二区三区|国产精品久久中文字幕|91亚洲高清|国语自产精品视频在线完整版|中文字幕人妻一区二区三区网站|国产精品麻豆果冻传,91精品国产综合久久国产大片麻豆精品国产91福利在线观看 ,99热这里只有精品中文字幕第一页日韩,日韩人妻中文字幕有码

Honor and qualification

      Over the past 30 years, more than 1000 patents have been obtained, including 34 international invention patents; 13 industry standards, specifications and atlas were formulated; One national independent innovation product and three national key new products were obtained; It has won 5 first prizes of science and technology progress at provincial and ministerial level, 1 National Invention Patent Gold Award, 1 National Invention Award and 1 International Invention Gold Award.