97精品一区二区-欧美一二三区视频-日韩资源网-男女扒开双腿猛进入免费看污-成人亚洲一区-久久精品无码一区二区日韩av-男女免费观看视频-少妇高潮无套内谢-好疼太大了太粗太长了视频-国产激情第一页-日韩深夜视频-久久久在线免费观看-超碰在线中文-爱色av网站-国产精品久久人妻互换毛片

您的瀏覽器版本太低,將不能正常瀏覽。請升級 Internet Explorer或使用Google Chrome瀏覽器。
如果您在使用雙核瀏覽器,請切換到高速 / 極速 / 神速 核心。
PBT
Product
2020-03-26
Product usage: PBT has such characteristics as heat resistance,weather resistance, chemical resistance, good electrical properties, small water absorptionand good luster, and is mainly used in the manufacture of glass fiber reinforced composites/flame retardant composites, electronic parts, electrical parts, auto parts and other industrial spare parts, PBT fiber, PBT optical fiber jacket, PBT film and PBT color master batch.
Product output: the annual output reaching 60,000 tons.