Hello, Hainan's formaldehyde testing company or many, it is recommended to look for companies with CMA testing qualifications, identify CMA testing company method:
View the company's business license, when the business license registered address and testing laboratory at the same address;
View the company's CMA qualification certificate, and the certificate number can be found on the Quality and Technical Supervision Bureau The website above the query to.
View the CMA testing organization is in the local, foreign institutions in the local testing business will be a lot of problems will be a lot of loopholes, which can easily lead to the invalidity of the report.
In fact, indoor pollution testing is not only formaldehyde, but also benzene, toluene, xylene, TVOC, ammonia, radon, etc., you can choose according to your situation need to test the points and items.
It is recommended that you look for a few more companies with CMA testing qualifications to consult, I believe we are happy to answer your questions.