The State Administration for Market Regulation announced on Tuesday that it has suspended the antitrust investigation procedures against DuPont China Group Ltd.

The administration, China's top market regulator, on April 4 launched an investigation into DuPont China Group, a subsidiary of the US firm DuPont, for suspected monopolistic practices in violation of China's Anti-Monopoly Law.

DuPont is a US science and technology company known for innovations in chemicals, materials science and biotechnology.