When purchasing second-hand rotary drilling RIGS in a different location, as it is impossible to conduct on-site and immediate inspections, remote preliminary screening becomes the key to avoiding risks. Judging the condition of equipment through scientific methods can reduce the blindness of subseq Read More

In the transaction of second-hand rotary drilling RIGS, the contract is the key to safeguarding the rights and interests of both parties. A standardized contract can avoid risks such as inconsistent equipment information and quality disputes. In particular, the following terms need to be clearly and Read More

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

The engine is the "heart" of a second-hand rotary drilling rig, and its operating conditions directly determine the power performance and usage cost of the equipment. Mastering the three-step method of "listening, observing and measuring" can help you quickly determine the true condition of the engi 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