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.

安徽省| 元阳县| 江源县| 泸溪县| 仁布县| 蓬莱市| 长宁区| 博客| 平塘县| 安阳县| 鹤山市| 垣曲县| 阿鲁科尔沁旗| 南乐县| 达州市| 彭泽县| 丽水市| 上林县| 全南县| 颍上县| 安龙县| 通辽市| 楚雄市| 元氏县| 皋兰县| 乡宁县| 万安县| 和平区| 乐陵市| 西城区| 博白县| 调兵山市| 马公市| 天门市| 乌苏市| 西盟| 瓦房店市| 云南省| 井冈山市| 荆州市| 多伦县|