1. Change your contact information: Your phone or email may be classified as spam or blacklisted by the intermediary company. Try using other contact information, such as a friend's phone number or email address.
2. Go directly to the intermediary company for consultation: You can try to go directly to the store or office of the intermediary company for consultation, so that you can communicate and communicate with the staff more directly.
3. Seek help from other intermediary companies: If you can't contact a specific intermediary company, you can consider seeking help from other intermediary companies. They may be able to provide faster help or advice on housing transactions.
4. Use the network platform: You can publish the information of house sale on some online real estate websites (such as 58 Tongcheng and Anjuke), so that more people can see your property, including potential buyers and intermediary companies.
5. Ask your friends or community for help: Your friends or community may have some other contact information or can provide other help, so you can ask them for help.
It should be noted that if you decide to use an intermediary company to sell your house, you must choose a reputable and qualified company and read the terms in the contract in detail to ensure that your rights and interests are protected.