“Hami I Wu” 1/28, fine, -18~-6℃, no continuous wind direction < grade 3, excellent air quality

Hami Iwu, sunny today, daytime high temperature -6℃, night low temperature -18℃, no continuous wind directionChina’s first international land cable officially opened on January 28, 1997, the northern city of Harbin in China and the Russian far east city of khabarovsk over long communication via Beijing and Moscow switching of history, the china-russia fiber optic…

Innovation continues a new chapter of the Olympic Games

If after the completion of the Olympic stadium is the athletes’ arena, so before the completion of the arena is the builder.High-tech building materials are a solid foundation for the construction of Olympic venues.From its foundation in April 2017 to its completion in December 2020, the construction process of the National Speed Skating Hall is…