91激情网,国产精品99一区二区三区,国产91久久精品一区二区,国产精品欧美一区二区三区

       After years of scientific and technological innovations, D&Y Group has achieved fruitful scientific research results and formed a unique technological advantage and product structure. The Group is the first enterprise in China to develop spandex elastic core-spun yarn and realize industrialization, the first enterprise to use siro spinning technology in cotton spinning products, and also the first enterprise in China to develop bamboo yarn production technologies. Each year, the Group undertakes provincial and ministerial-level scientific and technological projects, and has won more than 200 honors such as science and technology progress awards from China Textile Industry Federation, the provincial and municipal governments, and the first prize in the International Fabric Design Competition. The company has applied for more than 100 design inventions, utility models and design patents, and 50 have been awarded, making the Group a star enterprise in terms of patents in Shandong Province.

视频| 邳州市| 宁明县| 红河县| 和平县| 保山市| 嘉义市| 平江县| 定安县| 平度市| 罗城| 新和县| 兴安县| 徐闻县| 洮南市| 天门市| 德格县| 冷水江市| 行唐县| 鄄城县| 弥渡县| 秭归县| 双柏县| 永春县| 乌鲁木齐市| 芜湖县| 太康县| 蓝田县| 霞浦县| 武安市| 古蔺县| 余庆县| 库尔勒市| 信阳市| 沙雅县| 桂林市| 酒泉市| 纳雍县| 康保县| 凌源市| 唐海县|