● Based on the harsh environment where there are many dust, waste gas and slag in the mine, and there is a hidden danger of water accumulation in the pit, the company's project team starts from the selection of materials for the unit, and selects plates and spraying materials with high corrosion resistance and rust resistance. At the same time, the access door and the resistance plate of the unit are designed to prevent dust, sand and rats. In addition, the company's professional technical team specially designs carbon dioxide fire extinguishing system protection devices for the units to ensure the personal safety of mining workers.