The experts will share experience with the Russian side and offer training for medics on the prevention, control, diagnosis and treatment of COVID-19.
The exhibition will last until Sunday.
The executive noted it is inevitable that the construction of roads will lead to decrease in vegetation in an area if ecological recovery measures are not taken during and after construction.
The festival's opening ceremony was at Sinan Mansions, whose 1920s-era Western European buildings house a host of bars and cafes.
The excavation of the Baltic seabed and the construction of the rail line in Northern Finland and Norway has met with opposition from environmental groups and indigenous communities.
The executive was a senior official of a car manufacturing company in Europe.
天津搜索引擎优化排名公司
The figure makes China second in the world, behind only the United States, in the number of cars recalled annually, the administration said.
The exhibition area of Hong Kong enterprises at the upcoming 3rd China International Import Expo will increase by 20 percent compared with last year, an indication that companies in the region are still focused on expanding business opportunities in the Chinese mainland.
The exports of mechanical and electrical products in Q1 reached 347.25 billion yuan, among which the export of integrated circuit reached 39.94 billion yuan, up 5.1 percent year-on-year.
The festival, to be held from Aug 24 to 26, will be with a larger scale and richer content than last year, with over 110 players from all over the world competing in "Return of the Legends 2018" and another two top international e-sports tournaments, the HKTB said.