(Beijing, February 3) On the fourth day of the "Good Luck Beijing" 2008 Swimming China Open, China's Qi Hui and Zhang Lin claimed victories in the women's 100m breaststroke and men's 1500m freestyle while Sweden's Stefan Nystrand was unrivalled in the men's 100m freestyle final. Of the six finals contested this morning, Germany and China took two titles each, while the other two went to Sweden and Japan respectively.