Key security agencies are divided over whether to place Huawei’s former smartphone company on an export blacklist, showing that the Trump-era debates about the trade-offs of doing business with Chinese technology companies continues during the Biden administration.

Last week, career personnel at four agencies responsible for making such decisions split on whether to put the smartphone-maker, Honor, on the Commerce Department’s entity list, which bars exports of US technology to the sanctioned firm without a department license.…