Ventilation and air conditioning systems in large buildings such as offices, conference rooms, hospitals, shopping malls, airports, pre-filtration of centralized ventilation and air conditioning systems in ordinary industrial plants or clean rooms; primary filtration of central air conditioners and household air conditioners, special acid and alkali resistant ventilation filtration.
Ventilation and air conditioning systems in large buildings such as offices, conference rooms, hospitals, shopping malls, airports, pre-filtration of centralized ventilation and air conditioning systems in ordinary industrial plants or clean rooms; primary filtration of central air conditioners and household air conditioners, special acid and alkali resistant ventilation filtration.
Ventilation and air conditioning systems in large buildings such as offices, conference rooms, hospitals, shopping malls, airports, pre-filtration of centralized ventilation and air conditioning systems in ordinary industrial plants or clean rooms; primary filtration of central air conditioners and household air conditioners, special acid and alkali resistant ventilation filtration.
Ventilation and air conditioning systems in large buildings such as offices, conference rooms, hospitals, shopping malls, airports, pre-filtration of centralized ventilation and air conditioning systems in ordinary industrial plants or clean rooms; primary filtration of central air conditioners and household air conditioners, special acid and alkali resistant ventilation filtration.
Ventilation and air conditioning systems in large buildings such as offices, conference rooms, hospitals, shopping malls, airports, pre-filtration of centralized ventilation and air conditioning systems in ordinary industrial plants or clean rooms; primary filtration of central air conditioners and household air conditioners, special acid and alkali resistant ventilation filtration.