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.

河北省| 咸丰县| 上栗县| 东城区| 修水县| 修水县| 都匀市| 镇坪县| 瑞安市| 偏关县| 会同县| 鞍山市| 会同县| 梧州市| 高尔夫| 北安市| 凤山县| 舒城县| 临湘市| 江北区| 彰化市| 防城港市| 玛多县| 融水| 岗巴县| 广南县| 金门县| 兴宁市| 贡嘎县| 浦北县| 桂东县| 嵊泗县| 城步| 宜都市| 射洪县| 山西省| 调兵山市| 香港 | 资中县| 平遥县| 临潭县|