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.

张家川| 贺兰县| 新沂市| 富顺县| 南华县| 孝昌县| 洞口县| 琼中| 西安市| 富宁县| 封丘县| 正宁县| 南乐县| 柯坪县| 阳高县| 濮阳县| 西华县| 梧州市| 龙里县| 黎城县| 巴林右旗| 苍山县| 保靖县| 綦江县| 谢通门县| 大洼县| 辽源市| 鄯善县| 元谋县| 邻水| 常德市| 修水县| 隆化县| 福海县| 渝北区| 绥芬河市| 卢龙县| 都江堰市| 中方县| 玛纳斯县| 博白县|