Lub cav ntoo crane nrog cov shockers exported rau South America

40HQ thawv ntawm cov ntoo crane thiab cov trailer exported rau South America, cov neeg ua haujlwm ua haujlwm tshaj tawm kom thauj lub tshuab, thiab vam tias cov neeg yuav khoom tuaj yeem tau txais peb cov khoom ua ntej.