Chinese Foreign Minister Wang Yi and his�Iranian counterpart Mohammad Javad Zarif�have signed a 25-year comprehensive strategic partnership agreement, marking a milestone in bilateral relations between the two countries.� �

The two diplomats put�their signatures on the document in Tehran Saturday in a ceremony carried live�on national television.

Wang and Zarif also�marked "half a century of friendly dilomatic relations" by opening an exhibition of documents on the two countries'�bilateral ties.

Wang said China's relations with Iran will be "permanent and strategic" and�will not be affected by the current situation.

�Iran decides independently on its relations with other countries and is not like some countries that change their position with one phone call,� he said in his�meeting with Ali Larijani, an advisor to Leader of the Islamic Revolution Ayatollah Seyyed Ali Khamenei.

Referring to historic and friendly relations between Tehran and Beijing, Wang stressed the importance of bilateral cooperation within the framework of the�25-year strategic partnership agreement and expressed his satisfaction with the deal�s finalization.

The two sides�further explored ways to develop political, economic and strategic ties, underlining the need for close consultations between the two countries to promote long-term cooperation.

The top Chinese diplomat who is in Tehran for a two-day visit also met with Iran�s President Hassan Rouhani.P