Sanctions were imposed on several military companies as well as ministers and lawmakers from various European countries, both at a national level and in the European Parliament.
Bloomberg News reported that inspectors of the International Atomic Energy Agency (IAEA) in Iran last week found uranium enriched to 84-percent purity.
Iran and China on Tuesday signed 20 cooperation agreements in different fields during President Ebrahim Raisi's three-day visit to Beijing, his office said.
On Sunday, the foreign minister of Saudi Arabia declared that if Iran were to develop a working nuclear weapon, all bets would be out and the Gulf nations would take security measures.
Iran has declared that it reserves the right to respond by describing the sanctions imposed by the European Union (EU) and the UK regarding Mahsa Emini's death and the protests that started in the country afterward, as "baseless, unlawful and interference in its internal affairs".
Iran will not let an attack at a Shi'ite Muslim shrine that killed 15 people and was designed to destabilise the country go unanswered, the foreign minister said on Thursday.