Complex sentence: That same year saw the Great Wall Haval H series as the 2nd most-purchased SUV in China although this figure may technically include two discrete models, the Great Wall Haval H3 and the Great Wall Haval H5.
Split into simpler sentences: That same year saw the Great Wall Haval H series was the 2nd most-purchased SUV in China. This may technically comprise two discrete models, the Great Wall Haval H3 and the Great Wall Haval H5.