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.

长阳| 丹江口市| 洪湖市| 上蔡县| 延边| 扶余县| 合肥市| 阿拉善左旗| 怀柔区| 汉寿县| 平泉县| 洛南县| 苍溪县| 那坡县| 浦江县| 任丘市| 新乐市| 丹棱县| 简阳市| 乌拉特中旗| 安达市| 陇西县| 新津县| 虞城县| 普安县| 武义县| 岫岩| 兖州市| 牡丹江市| 浙江省| 绵竹市| 唐海县| 石门县| 衡南县| 江口县| 广河县| 屏东市| 望城县| 开封县| 同江市| 墨江|