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Water well drilling rig construction should also pay attention to reduce wear. Support sprocket, support wheel, drive wheel and rail chain link these are easy to wear parts, but, according to the impl

What is an air leg rock drill? What are the characteristics and advantages of pneumatic leg drilling tools? Operators who need to use mining machinery should know something about the pneumatic leg dri

Air leg rock drill is a modern drill products, the air leg drill adopts the design technology of modern drill, compared with the same type of products, has the advantages of low noise, light weight, g

Water well drilling rig consists of crawler plate and crawler pin. The track pin connects each track plate to form a track link. There are holes at both ends of the crawler board, which are meshing wi

On the morning of January 15, the unveiling of the Jining Technician Education Group's municipal training base and the signing ceremony of the strategic cooperation agreement between the Municipal Tec

In order to further strengthen employees' legal awareness and legal concepts, and improve their ability to avoid legal risks in the course of conducting business, from January 15th to 17th, Jining Ind