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.

彰化县| 五常市| 高青县| 荣成市| 宜兴市| 广安市| 抚宁县| 商河县| 鄯善县| 江陵县| 雷山县| 静海县| 平顺县| 铁岭市| 通河县| 凤凰县| 永仁县| 钦州市| 民权县| 金溪县| 泉州市| 武宁县| 调兵山市| 陵川县| 太白县| 改则县| 梅州市| 无棣县| 河曲县| 万山特区| 大渡口区| 油尖旺区| 镇巴县| 汤阴县| 河北区| 奇台县| 慈利县| 手游| 神木县| 松阳县| 呼图壁县|