China-founded fast-fashion retailer Shein has filed for an IPO in Hong Kong to accelerate the listing process and pressure Britain's regulators to approve its planned London debut, the Financial Times reported on Tuesday.

Shein previously filed to list in London around 18 months prior, but has struggled to receive regulatory approval.

Shein had filed for a London IPO over a year ago, but the approval process has stalled as UK and Chinese regulators failed to agree on appropriate language for the risk disclosure section of the prospectus.