Wertstar, Blue Diamond Series, integrates the ingenious element of dolphin into the model design, which abates wind resistance as well as demonstrates its quality of flexibility. The Blue Diamond Series utilize the outstanding configuration of patented U-style monocoque body structure, high-strength zincizing square steel, and engine with strong power and low energy consumption. Its exceptional quality renders the Blue Diamond Series a diamond star among the mid-short distance passenger transport. Wertstar, Blue Diamond Series gains a wide coverage of 7.5m to 10.5m buses, having hundreds of affluent models, and creates an unlimited  valve for your transportation management.