"虽然在经济危机下，但据我所知Business process outsourcing的利润增长高达100%——300%"

Although the economic crisis is under way, the profit of business process outsourcing soared, as far as I know, between 100 to 300 percent.

In spite of the financial crisis, yet the profit of business process outsourcing reaches up to 100% to 300% from my perspective.

Although under the economic crisis, but as far as I know the Business process outsourcing profit growth of up to 100% - 300%