Due to long-term use, second-hand drill pipes are prone to wear and deformation at the joints. If the butt connection operation is not standardized, it will not only accelerate the wear of the drill pipe but also affect the verticality and depth accuracy of the borehole. Mastering scientific docking Read More

In the second-hand rotary drilling rig trading market, "refurbished machines" have become a means for some unscrupulous merchants to make profits because they can cover up equipment defects and raise prices. At present, there is no authoritative statistics on the market share of refurbished machines Read More

The stable operation of second-hand rotary drilling RIGS relies on the support of accessories, but some accessories are often out of stock due to factors such as usage characteristics and supply constraints. Understanding the types of parts that are prone to shortage can help equipment owners stock Read More

In the second-hand rotary drilling rig market, some models have long been on the list of popular transactions. Behind this is the precise matching of engineering demands, equipment performance and cost performance. Understanding the core advantages of these popular models can help buyers quickly loc Read More

The prices of second-hand rotary drilling rig parts vary greatly due to differences in condition and brand, covering everything from filter elements worth tens of yuan to hydraulic pumps worth tens of thousands of yuan. Mastering the logic of market price judgment and techniques to avoid pitfalls ca Read More