China’s Ministry of Transport has summoned four leading freight-delivery platform operators and warned four internet ride-hailing companies over recent driver complaints, in a sign of Beijing’s continued scrutiny of the country’s massive tech sector after a year-long crackdown.

The ministry on Friday said it has summoned four internet freight delivery firms, including the cargo businesses owned by DiDi Global Inc.

China transport ministry summons freight-delivery platforms, warns Didi, other ride-hailing firms comes via ChinaTechNews.com.