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.

顺义区| 沈丘县| 云龙县| 札达县| 菏泽市| 通山县| 射洪县| 辽宁省| 定日县| 昌宁县| 武鸣县| 玉林市| 雅安市| 莎车县| 桓台县| 陕西省| 邯郸县| 错那县| 桂阳县| 略阳县| 绩溪县| 乌苏市| 蒙阴县| 界首市| 专栏| 石屏县| 盖州市| 色达县| 育儿| 万载县| 云浮市| 东莞市| 龙里县| 蒙自县| 隆德县| 德令哈市| 翼城县| 南京市| 南丹县| 和平县| 星子县|