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.

天等县| 韩城市| 大渡口区| 长寿区| 延寿县| 黑龙江省| 和顺县| 乌审旗| 三原县| 宣城市| 洛阳市| 景洪市| 平陆县| 出国| 辽阳市| 河西区| 平湖市| 永城市| 洪洞县| 墨玉县| 长兴县| 邵东县| 长子县| 平果县| 彰化市| 漳平市| 巴青县| 航空| 徐汇区| 临武县| 威远县| 疏附县| 乌兰察布市| 婺源县| 特克斯县| 兖州市| 东乌| 革吉县| 南澳县| 开平市| 交口县|