The Chinese Foreign Ministry said on Thursday that the EU "should not be sending wrong signals to separatist forces in Taiwan" and warned that Europe "should correct its mistake".
During the trip to Taiwan, Raphael Glucksmann, a French member of the European Parliament, who is in charge of the delegation, stated that the the visit "should be considered as an important first step".
"We came here with a very simple, very clear message: You are not alone. Europe is standing with you", he added.
Supporters of Taiwan's 2020 presidential election candidate for the KMT, or Nationalist Party, Han Kuo-yu pass along a giant Taiwanese flag for the start of a campaign rally in southern Taiwan's Kaohsiung city on Friday, Jan 10, 2020
© AP Photo / Ng Han Guan
The MEPs expressed their intention to boost EU-Taiwan ties - despite Taipei not having formal diplomatic ties with any European nations except Vatican City.
Official ties between mainland China and Taiwan were cut after the civil war ended in 1949. Since then, the island has been governed independently, while Beijing considers Taiwan its breakaway province.