Usually you would say send by a company.

Minimum and maximum can also be used as adjectives. Minimal/minimum are very similar but the easiest way to think of them is: minimal = just enough or very little minimum = least possible Maximal/Maximum can be treated the same way.

There are a couple of small mistakes: ...his sacking from the group Topnotch was totally unexpected. Lance is now facing unemployment. I'm not sure about the following part: They say that Lance has shown an [ability] to put the interests of the group before his own and describe as [unacceptable] various recent incidents involving him. It is correct English, but perhaps you mean "inability" which would make more sense (to me anyway!)

"Where are you from?" can either mean "Where do you live?" or alternatively "Where were you born?" I think there is maybe a mistake in the second question and it should really be "Where have you come from?" which you can translate as "Where have you travelled from?"

I use the CEDict Chinese-English dictionary. There's a standalone version you can install on your PC at http://dict.threelights.de/ I don't know if there's a Spanish version of it.

Usually you would either use "integrate into" or "integrate with".