What is the use of the certificate of indoor environmental sanitation expert Committee?

It is a nationally recognized vocational skill appraisal certificate. According to the official website, the Central Purification Committee and the Indoor Environmental Sanitation Purification Expert Committee can be used to solve legal disputes and project acceptance. It has also been recognized and recognized by the broad masses. It is also a national vocational skill appraisal certificate. Air purification refers to the repair of indoor air pollution. It can improve indoor air quality, improve living and office conditions and improve physical and mental health. It has the advantages of comprehensive functions and fashionable appearance.