A Shein representative declined to provide a direct answer when asked by a British parliamentary committee on Tuesday whether the online fast-fashion retailer uses cotton from China or from its Xinjiang province,

Yinan Zhu, general counsel for the EMEA at Shein, appeared before the Business and Trade Committee on Tuesday amid reports that the fast-fashion retailer plans a stock market float in the UK

A British politician said he had “almost zero confidence” in the integrity of Shein’s supply chain following a heated exchange with a representative of the fast-fashion retailer in London.

A Shein representative declined to provide a direct answer when asked by a British parliamentary committee on Tuesday whether the online fast-fashion retailer uses cotton from China, a key issue for potential investors concerned about its supply chain.

Shein's lawyer dodged questions about the use of Xinjiang cotton and alleged forced labor and child labor in its supply chain during a hearing held by the U.K. parliament's Business and Trade Committee earlier this week.