There are several news reported last year that the national highway paved for just a few months collapsed, which badly affects the transportation. After investigation, the reason was found out that the constructors used the inferior aggregates to instead because the aggregates and sands cannot be timely supplied. The aggregates of different sizes are paved on road and after repeated rolling, boiling phenomenon appeared. Gravels and aggregates produced by PSG cone crusher have uniform size and good shape. The crusher can stop for just a shot time and start again, producing more materials and saving time. Its maintenance is easy too. One PSG cone crusher solves all problems, so economic results double. Since the launch of this model of crusher, it has been popular with the construction sides and industrial professionals.