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.

温州市| 赣州市| 鄄城县| 定安县| 隆安县| 宕昌县| 舟山市| 建湖县| 大兴区| 黄陵县| 将乐县| 沙坪坝区| 定陶县| 体育| 昆明市| 景泰县| 巢湖市| 简阳市| 泽库县| 宣化县| 金门县| 新丰县| 将乐县| 东源县| 青海省| 高密市| 大同县| 尖扎县| 云梦县| 灵武市| 辽宁省| 临泉县| 射洪县| 阿拉善左旗| 夹江县| 黑龙江省| 探索| 双流县| 武隆县| 阿克| 长丰县|