Company Description
Qingzhou Longjian machinery, it is the first professional manufacturer which develops and produces dredge, sand-digging machinery, sand making machinery, dredging machinery, mineral processing machinery in Qingzhou. Since 1990,
Qingzhou Longjian Sand-excavating Machinery Fac... have been the scientific and technological innovation as new concept, and constantly improving the product and innovative. Great satisfaction and continual improvement of customer demand...