Legal analysis: the funds for the renovation of old residential quarters are composed of financial funds, self-raised by residents and social capital. In principle, the proportion of residents' self-raised funds for basic, improved and upgraded contents shall not be lower than 10%, 30% and 70% of the corresponding renovation contents respectively.

Legal basis: Article 4 of the Measures for the Management of Funds for Renovation Projects of Old Residential Areas in Haizhou District (Provisional) is dedicated to special funds and special management, following the principle of "the main body is responsible, overall arrangement, objectivity, fairness, transparency and standardization". Yingzhou Group is responsible for raising bank loan funds and supporting capital. The District Finance Bureau, the District Development and Reform Bureau and the District Housing and Construction Bureau actively apply for government subsidies and government bonds at all levels within their respective responsibilities. Yingzhou Urban Development Company, a subsidiary of Yingzhou Group, opened a special fund account in the loan bank and set up a special account to implement closed operation.