Sources: Shein is in the early stages of exploring a London IPO, as it has judged unlikely that the SEC will approve its IPO in the US (Bloomberg)

Bloomberg:
Sources: Shein is in the early stages of exploring a London IPO, as it has judged unlikely that the SEC will approve its IPO in the US  —  - Fast-fashion company still working on US listing application  — Other potential venues could include Hong Kong and Singapore