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.

北京市| 故城县| 新田县| 成安县| 措勤县| 鹤壁市| 崇明县| 兰西县| 同德县| 洮南市| 尖扎县| 华坪县| 准格尔旗| 沭阳县| 临桂县| 达尔| 游戏| 谷城县| 巴里| 临夏市| 两当县| 庆元县| 依兰县| 高台县| 临汾市| 清新县| 娄底市| 侯马市| 民县| 隆子县| 陇西县| 永仁县| 伊川县| 太谷县| 象州县| 垣曲县| 潞西市| 广安市| 安国市| 永寿县| 平原县|