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To prevent personal injury and material damage during the use of electrical equipment, there are many rules regarding electrical equipment, structure, installation, and use. These rules are always based on local laws and electrical safety requirements and must be strictly followed.

 1，Only qualified electricians are allowed to operate electrical equipment.

  2， Only original spare parts may be used.

  3， Electrical wire joints should be securely connected; otherwise, danger may occur. Damaged wires and cables can cause fires or serious personal accidents.

  4， When electrical components need to be inspected, maintained, or repaired, the current to that component must be cut off.

  5， If electrical components must be powered during work, a work partner must be stationed at the switch to immediately cut off power or disconnect the main switch in case of an emergency.

  6，If checking electrical equipment, such as opening the main switch device door, damaged cables, or damaged components, the current to the equipment must be cut off. The equipment cannot be used until the fault is repaired and necessary measurements, tests, and trial operations are completed.

  7， Power can only be turned on after confirming that the equipment will not pose any danger.

Hunan Yier Machinery Technology Co., Ltd. is mainly engaged in the research and development, manufacturing, and construction of drilling equipment required for mining engineering, metallurgical engineering, construction engineering, and other industries. Most of the company's employees come from the technical, production, inspection, and after-sales departments of the former Hunan Nonferrous Heavy Machinery Co., Ltd. The main leaders and technical backbones have many years of experience in the mining machinery industry and have participated in and hosted several national and provincial-level scientific research projects, including"National863Plan" and other national and provincial-level scientific research projects.

The company's main products include Raise Borer Machine, Reverse Circulation Drilling Rig, Underground Drilling Rig, Rock Drilling Rig, Self-Propelled Reverse Circulation Drilling Rig, Crawler Raise Borer Machine, Underground Drilling Rig, and related mining equipment and accessories, which are widely used in mines, coal mines, etc. Among them, the articulated self-propelled Raise Borer Machine independently developed by the company is a domestic first. The company always adheres to a market-oriented approach, upholding the customer-first business philosophy, continuously strengthening its independent innovation capabilities, and developing a series of efficient drilling equipment suitable for domestic mining engineering needs.