易点天下网络科技股份有限公司向港交所提交上市申请书

The preposition 向 is used to indicate the direction or target of an action, often meaning 'to' or 'toward'. In formal news and business Chinese, it frequently appears before organizations or institutions receiving a document, request, or report.

提交 means 'to submit' and is commonly followed by a document, application, report, or proposal. It is very common in formal, academic, legal, and business contexts.

据 introduces the source of information and means 'according to'. It is especially common in journalism and formal written Chinese when citing where information comes from.

为 in formal written Chinese can mean 'is', 'acts as', or 'serves as'. This pattern is often used in business, legal, and news writing to identify a role, status, or designation.

获悉 is a formal written verb meaning 'to learn' or 'to be informed of'. It is frequently used in news reports to indicate that a media outlet has obtained information.