Wang made the remarks on Wednesday, during a meeting with Secretary of Iran's Supreme National Security Council (SNSC) Ali Akbar Ahmadian on the sidelines of the BRICS security officials meeting in Brazil.
Wang said his country "values Iran’s commitment not to develop nuclear weapons” and “appreciates Iran’s diplomatic efforts,” according to a readout of the meeting released by the Chinese Foreign Ministry on Thursday.
He also noted that Beijing is "pleased" with the ongoing dialogue between Iran and other parties and "supports" Iran’s cooperation with the International Atomic Energy Agency ().
China backs Iran's efforts to protect its sovereignty, security, and national dignity and opposes external interference in the country's internal affairs, the top Chinese diplomat added.
He further expressed Beijing's willingness to maintain exchanges with Tehran at all levels and enhance communication and coordination.
Ahmadian, for his part, said that Tehran and Beijing enjoy strong political mutual trust, and that all sectors in Iran are keen to deepen the comprehensive strategic partnership with China, CGTN television network reported.
Iran is willing to strengthen bilateral relations with China and deepen cooperation with the country in different fields, he noted.
The meeting came two days before the fourth round of indirect Iran-US negotiations in Rome, Italy.
The two sides have already held three rounds of indirect talks, mediated by Oman, on Tehran’s nuclear program and the removal of US sanctions.
Press TV