2. Seek legal aid: In case of breach of contract or contract dispute, you can consult a professional real estate lawyer for legal aid.
3. Joint with other owners: establish contact with other affected owners to form a joint force. Discuss problems together and find solutions. You can organize a meeting of owners' representatives to communicate with developers or relevant government departments and strive for legitimate rights and interests.
4. Check the relevant contracts: carefully check the purchase contract and related documents to understand the terms and agreements. Ensure that their rights and interests are protected, and communicate and negotiate with developers or related parties.