Yav Dhau Los Ua Tus Ntiag Tug Nyob Hauv South American

May 18th-21st, Senken Group Co., Ltd tau koom rau hauv 7th International exhibition ntawm technology hauv kev tiv thaiv thiab kev tiv thaiv ntawm natural disasters (sitdef 2017), nrog tus khub lub koob npe nrov, senken pawg tau pom nws cov kev taw qhia thiab cov khoom siv tshiab technology, ntse lub teeb bar nrog lub koob yees duab, tub ceev xwm lub koob yees duab koob rau cov tub ceev xwm kom tau cov pov thawj thaum lawv ua haujlwm, senken paub zoo los ntawm ntau tus neeg tuaj koom nrog nws cov khoom ruaj ntseg nyob rau sab qab zog America.