91视频这里只有精品 I 裸体视频在线 I 中文字幕日韩电影 I 欧美三根一起进三p I 中文字字幕在线中文乱 I 裸体网站免费观看 I 男人激情网 I 亚洲图色小说 I 色欲av伊人久久大香线蕉影院 I 成人xxx视频 I 老子影院午夜伦不卡 I 亚洲色图 p I 人人添人人澡人人澡人人人人 I 97av网 I 日本黄色网址大全 I 狠狠色依依成人婷婷九月 I 国产中文字幕av I 天堂av2017男人的天堂

Chinese | English

Technology

Technology

首頁>Technology

As the first technology services companies in the field of polyamide , we have been committed to innovation and development of polyamide engineering.

We are actively concerned about the technological developments within the field of polyamides,research and develop new technologies,and invest new technology to the project to practice.

WE won the 2012 National Science and Technology Progress Award, 2013 National Science and Technology undertake support projects, the 2014 Ho Leung Ho Lee Foundation for Scientific and Technological Innovation Award, the State of new synthetic materials technical service base, more than ten award.