Is there any better way to detect and remove formaldehyde in Zhengzhou? Solve

In Zhengzhou, there are many ways to remove formaldehyde, and there are many methods to detect formaldehyde. In the past, most people used ventilation methods, but now this method treats the symptoms rather than the root cause. Nowadays, there are still many families with indoor formaldehyde exceeding the standard. If ventilation is considered for the same half-year, the formaldehyde removal effect will not be very great. It is best to remove formaldehyde. This is the safest way. I used to just ventilate the air, but the formaldehyde still exceeded the standard. Later, Henan Bingchong Environmental Protection did formaldehyde removal at home, and the indoor formaldehyde reached the standard. Don’t slack off in removing formaldehyde.