国产真**女人特级毛片,国产精品久久久久久一区二区三区,77色视频在线,97超级碰碰碰碰在线视频,狠狠干2018,中文字幕或区,激情综合激情五月

        D&Y Group continues to increase the investment in scientific and technological innovation and its scientific research force and scientific research systems continue to improve and grow. The Group has established provincial R&D platforms, namely the Provincial Enterprise Technology Center, the Provincial Industrial Design center and Shandong Workstation for Academicians and Experts. Taian Chinese Hemp Textile Engineering Laboratory is settles in D&Y Group. The Group spares no effort to create a national technology R&D center, introduces hundreds sets of world's most advanced textile and apparel experimental instruments, testing equipment, sample production linesand supporting facilities. D&Y has established five sub-centers for spinning, denim, woolen, brand garments, and other types of clothing, and employs more than 300 technicians of all kinds.