How to complain about insufficient ventilation area of balcony package

If the ventilation area of balcony package is not enough, you can complain to the market quality supervision and management bureau. Insufficient ventilation area of balcony package is a quality problem. Complain to the Market Quality Supervision Bureau about the quality of balcony seal. The way to safeguard the rights of decoration disputes is to negotiate with the other party for compensation, compensation or payment of liquidated damages. If negotiation fails, you can call the 123 15 consumer protection hotline or complain to the market quality supervision bureau.