New York CNN — US Congress is stepping up the pressure on Chinese fast-fashion giant Shein. In a letter to the Securities and Exchange Commission Monday, a bipartisan group of 22 US House of Representatives members asked the SEC to require that Shein certify that any of its products that are made in China do not utilize Uyghur forced labor. “There are credible allegations of the company’s use of underpaid and forced labor in the Xinjiang Uyghur Autonomous Region,” said the letter, led by Reps. John Rose of Tennessee and Jennifer Wexton of Virginia. The United States has banned all...