亚洲精品国产品国语在线_在线播放国产一区中文字幕剧情欧美_亚洲欧美综合区自拍另类_久久亚洲综合国产精品99麻豆精品福利_亚洲图片在区色_97国产精品久久_欧美国产高跟鞋裸体秀xxxhd_不卡中文字幕av_一区三区二区视频_国产精品视频在线观看_欧美日韩性生活视频_国产综合久久久久久_日韩中文字幕网站_97在线观看免费高清_色偷偷噜噜噜亚洲男人的天堂_欧美成人剧情片在线观看

Qingdao yingxinyi line Industry Co., Ltd. is a professional company which develops and produces safety protection textiles. It mainly provides safety protection for operators in high temperature, combustion and cutting environment.
    The predecessor of the company was established in 1977 (formerly Qingdao No.13 cotton textile factory),  .......