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.

荆州市| 布拖县| 宜丰县| 理塘县| 衡南县| 汪清县| 夏河县| 梁河县| 北流市| 合水县| 常州市| 武山县| 普定县| 苗栗县| 广昌县| 麻江县| 新兴县| 新干县| 南漳县| 庄浪县| 绩溪县| 汤阴县| 韩城市| 富锦市| 浦东新区| 金寨县| 富平县| 湾仔区| 大田县| 崇阳县| 鹤壁市| 山阴县| 景德镇市| 巩留县| 定边县| 仁布县| 剑川县| 丹巴县| 绩溪县| 东方市| 五大连池市|