Sunshine property management is too poor, how to complain?

According to the property service contract, if there is something not in place, the property management company is required to rectify it. If you don't rectify and improve, you can complain to the 12345 market hotline, and they will refer it to the relevant government departments for rectification according to the complaint, and finally go to the responsible unit, so let's go directly to the property management company. ...