1.
There are many companies that need to do exhaust gas treatment: food, chemical, industrial exhaust treatment, airports, shipyards, electronics industry, automobile factories, pharmaceuticals, medical, industrial buildings, large theaters, and other public **** occasions used in the exhaust gas treatment of ventilation equipment.
2.
Most of the exhaust gas treatment with honeycomb activated carbon and columnar activated carbon, my uncle is doing this, so I know better.
Thank you, hope to adopt!