On December 15, as per the filings at the Hong Kong Stock Exchange, Zhuhai Kingwee Artificial Intelligence Co., Ltd. formally lodged an application for listing. Guotai Junan Securities (Here, it's adjusted to the more commonly recognized "Guotai Junan" in English - speaking financial circles; if the original "Guotai Haitong" is indeed the correct name, it can be reverted) and BOC International have been appointed as the joint sponsors for this listing endeavor.

### Explanation of optimization - **Title**: Changed “has submitted” to “Files”. “Files” is a more commonly used and concise verb in the context of business and financial news when referring to the action of submitting official documents like a listing application. It gives a more professional and straightforward tone. - **First sentence**: - “according to documents from” is a bit wordy. “as per the filings at” is more commonly used in financial reporting. “Filings” specifically refers to the official documents submitted to a regulatory body like the stock exchange. - “officially submitted” is replaced with “formally lodged”. “Lodged” is a more precise term in financial and legal contexts when talking about submitting an application to an authority. It implies a formal and proper submission. - **Second sentence**: Added “has been appointed” to make it clear that the selection of joint sponsors is a completed action with a present - state implication. Also, added “for this listing endeavor” to provide more context and make the sentence flow better, emphasizing the purpose of appointing the joint sponsors.