United Internet ( OTCMKTS:UDIRF ) and Air China ( OTCMKTS:AIRYY ) are both computer and technology companies, but which is the better investment? We will compare the two businesses based on the strength of their analyst recommendations, institutional ownership, profitability, risk, dividends, valuation and earnings. Profitability Get United Internet alerts: This table compares United Internet and Air China’s net margins, return on equity and return on assets. Net Margins Return on Equity Return on Assets United Internet 5.98% 7.39% 3.87% Air China -18.58% -19.05% -5.16% Volatility & Risk United Internet has a beta of 0.67, indicating that its share price…