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.

洛隆县| 博野县| 乌苏市| 泸州市| 湖州市| 龙门县| 阿坝| 镇原县| 盐城市| 江北区| 阳谷县| 绥宁县| 无棣县| 合肥市| 察哈| 嘉善县| 敦煌市| 宁城县| 达尔| 黄梅县| 灵丘县| 昌平区| 十堰市| 淄博市| 吉隆县| 玉环县| 迁西县| 西乌| 新密市| 奉新县| 米林县| 齐齐哈尔市| 台南市| 清丰县| 松原市| 无棣县| 准格尔旗| 万荣县| 铜鼓县| 乡城县| 巫溪县|