啊轻点灬太粗嗯太深了用力电影_娇妻被朋友日日躁高h潮视频_国产超碰人人做人人爽aⅴ_和漂亮邻居少妇做爰3_精品国产1区2区_久久久综合久久_小嫩模无套内谢第一次_温碧霞三级做爰电影_亚洲福利久久_国产精品久久久免费看

News
News
Our company participated in the 2018 China Road Maintenance and Preservation Technology Exchange Conference
Time:2021-12-21 Font size

The "2018 China Pavement Maintenance and Preservation Technology Exchange Conference", held in Xi'an, Shaanxi Province on October 22-23, 2018, officially opened.

At the invitation of the conference, our company participated in the conference as a special sponsor.

The theme of this meeting is "Asphalt Emulsion: Towards Performance Based Specification";

The purpose of the meeting is to "give priority to training, focus on practice, supplement the frontier and trends, and build a platform for industrial exchanges".

The meeting was organized by the National Engineering Laboratory of New Road Materials, ISSA China, NCPP and China Emulsified Asphalt

Jointly sponsored by the Youth Association, it is an authoritative professional conference in the industry.

Our sponsorship this time also marks an important mark for the development and construction of "emulsified asphalt industry"!


微信分享

QQ分享