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.

凤山县| 湘潭县| 仙游县| 桐城市| 容城县| 雷州市| 长宁区| 富蕴县| 平顺县| 青川县| 喀喇沁旗| 祁连县| 临颍县| 中西区| 平罗县| 潞城市| 青海省| 莫力| 禹城市| 阿拉善右旗| 东丰县| 金平| 宽城| 平昌县| 罗平县| 日照市| 嘉义县| 泰州市| 安庆市| 浦城县| 宜城市| 滕州市| 湛江市| 象山县| 吉林省| 来安县| 惠安县| 高邮市| 根河市| 阳山县| 曲水县|