In the second-hand rotary drilling rig market, "origin" often determines the true value and subsequent performance of the equipment. Original factory machines refer to equipment produced by brand manufacturers that has not undergone major modifications by third parties, while refurbished machines ar Read More

In the trading of second-hand rotary drilling RIGS, "accident machines" often hide many hidden dangers, posing huge risks to subsequent use. Mastering effective troubleshooting techniques for fault history can help buyers avoid traps and purchase reliable equipment.1. Check the fuselage structure. F Read More

In the trading of second-hand rotary drilling RIGS, "hours" are often used as a reference to measure equipment wear and tear, but some merchants may tamper with the data. Learning to distinguish its authenticity is the key to avoiding falling into a trap.1. Compare equipment wear: If the hour displa Read More

The performance condition of second-hand rotary drilling RIGS is closely related to the degree of wear and tear of key parts. A comprehensive inspection can effectively avoid the risks of purchasing the machine. The following six core parts need to be given special attention.1. Hydraulic system: Che Read More

For beginners, when purchasing a second-hand rotary drilling rig, mastering some basic terms can help them understand the equipment's condition more clearly and avoid communication barriers. The following five basic terms deserve special attention:1. Hole diameter: It refers to the diameter of the h Read More