Translation of concreto

Mr. Chang informed me that you have a customer that requires similar applications to what my customers have here in Switzerland. I am planning my next trip and I will consider visiting you too.
The ride took us through mountainous areas, covered with dark green forest, with so many curves that I got sick. I wanted to vomit but I held myself back, as there were so many other next to me.
She started to walk with us and one could observe that she had lost some of the naivity many children have, due to the fact that she started to be a sales person long before she reached twelve.