 Crushing equipment suppliers Home Facebook Mobile Primary Crushing And Screening Plant,Dragon 0000. The Dragon 0000 primary crushing screening system is all collected in one platform and can be transported by a truck. The Dragon is specially designed by the R&ampD group to be installed within a short time. The work that the classical primary crusher can do can be done by itself. Crusher Wikipedia A gyratory crusher is one of the main types of primary crushers in a mine or ore processing plant. Gyratory crushers are designated in size either by the gape and mantle diameter or by the size of the receiving opening. Gyratory crushers can be used for primary or secondary crushing. S