The Taiwan authorities have imposed unilateral restrictions on the import of over 2,400 Chinese mainland products, which has harmed the interests of industries and companies there, a spokeswoman said.

Zhu Fenglian, spokeswoman for the State Council Taiwan Affairs Office, made the remarks after the Ministry of Commerce on Wednesday launched a trade barrier investigation into Taiwan's trade restriction measures against products from the mainland.

The ministry launched the investigation at the request of China Chamber of Commerce of Import and Export of Foodstuffs, Native Produce & Animal By-Products, China Chamber of Commerce for Importers and Exporters of Metals, Minerals and Chemicals, and the China Chamber of Commerce For Import and Export of Textiles, she said.

The investigation, starting Wednesday, includes agricultural produce, minerals, chemicals and textiles, among other products.