Product News
-
Ventilation method of tunnel ventilation duct
Tunnel construction ventilation methods are divided into natural ventilation and mechanical ventilation according to the source of power. Mechanical ventilation uses the wind pressure generated by the ventilation fan for ventilation. The basic methods of tunnel construction mechanical ventilation...Read more -
JULI PVC mining ventilation duct
Underground mining is a much risky business, which is why ducting is such an important aspect of the underground construction industry. Underground mining exposes miners to a variety of contaminants, including toxic gases and fumes, which can be hazardous to their health...Read more
