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.

搜索| 丰镇市| 乐昌市| 上饶县| 沧源| 屏东县| 阿拉尔市| 连州市| 康马县| 敦煌市| 米脂县| 英超| 乌鲁木齐县| 襄汾县| 瑞安市| 贞丰县| 乐昌市| 马山县| 彭水| 万年县| 海兴县| 龙山县| 搜索| 和田县| 阿克陶县| 铜山县| 蒙山县| 临邑县| 广宗县| 九江县| 河东区| 平和县| 武穴市| 桐梓县| 隆林| 和政县| 寿阳县| 清镇市| 儋州市| 庆安县| 宜川县|