91久久综合亚洲鲁鲁五月天,久久久国产精,国产精品久久久久久久久久了,伊人久久大香线蕉av一区二区,国产精品久久久久久久久久无遮挡,97综合,久久综合激情

       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.

苏州市| 水富县| 金门县| 盐山县| 道真| 华亭县| 台州市| 昭通市| 枣强县| 新干县| 宣城市| 澄江县| 新巴尔虎右旗| 镇康县| 博白县| 米泉市| 当涂县| 贵州省| 巴青县| 法库县| 通海县| 罗定市| 特克斯县| 祁门县| 汶川县| 和平区| 锡林浩特市| 阿瓦提县| 龙山县| 丘北县| 淅川县| 禹州市| 乐至县| 万全县| 札达县| 铜陵市| 台山市| 英吉沙县| 仲巴县| 天长市| 济宁市|