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.

普陀区| 辽宁省| 蕉岭县| 怀仁县| 云南省| 出国| 杂多县| 长寿区| 德江县| 镇江市| 理塘县| 拜泉县| 成都市| 德兴市| 平定县| 宁蒗| 嘉定区| 西充县| 贵德县| 九龙城区| 泰和县| 万山特区| 广平县| 麻江县| 筠连县| 兴海县| 沙坪坝区| 峨眉山市| 涡阳县| 石景山区| 太仆寺旗| 沁水县| 曲阳县| 策勒县| 大邑县| 宕昌县| 宁阳县| 广灵县| 乃东县| 丰都县| 牙克石市|