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.

河西区| 盖州市| 民县| 墨江| 溆浦县| 陈巴尔虎旗| 嘉祥县| 务川| 怀柔区| 合江县| 彩票| 腾冲县| 新和县| 当阳市| 宁城县| 大兴区| 松原市| 潮安县| 秦皇岛市| 伊宁市| 肇源县| 唐海县| 金湖县| 青冈县| 新邵县| 武冈市| 乌拉特前旗| 会昌县| 江北区| 杨浦区| 攀枝花市| 玉门市| 定安县| 扎囊县| 原阳县| 黄平县| 利津县| 奉节县| 哈巴河县| 开远市| 湘西|