JuLong focus on the research ,designing and manufacturing of various water engineering ships platforms. we are a professional manufacturer reliable service provider dredging machines,water cleaning harvesters,mining machinery sand processing ...

Qingzhou Yongli Mining And Dredging Machinery Co.Ltd, located in city---one of the Nine Ancient Cities China, is leading company China mining equipment. We are professional manufacturer who has been dedicated R&D, designing, producing, assembling and ...