Is the developer of Hangyue Prefecture owned by Vanke?

No. The developer of Hangyue Prefecture is Shaoxing Keqiao Juhang Real Estate Development Co., Ltd. Shaoxing Keqiao Juhang Real Estate Development Co., Ltd. has no relationship with Vanke, so the developer of Hangyue Prefecture is not Vanke. Developer is a noun, the first person responsible for a certain project. Including many categories: real estate developers, software developers, game developers and other developers of a certain brand, but unless otherwise specified, it generally refers to real estate developers.