Translation of zoological in German

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.
However, if you are able to link to us from another major site (school site, language site, maybe even a good private site), I will be able to convince my colleagues to make an exception and upload your lessons.
Usually we were not that picky, but we intended to stay in Buenos Aires for almost 10 days. On the first day we walked around the city center and did some shopping in the Florida passage.