欧美爱爱视频网址,欧美精品亚洲精品日韩已满十八,xxxx成年人中国,欧美啄木鸟系列精品一区

    "2021 China Polyurethane Industry Technology Conference and High Tech Application Forum" will be held in Wuhan, Hubei Province from October 23 to 24, 2021. The forum has been committed to promoting the industry to focus on new application fields with great market potential, establishing technical exchanges and cooperation among scientific research institutes, universities, enterprises and institutions, and promoting the high-quality development of China's polyurethane industry.

    As the co-organizer of the conference, our company will make a detailed introduction to the technology and application of complete sets of equipment in polyurethane industry at home and abroad. Welcome colleagues to exchange and negotiate.