Iran and China
China and Iran have reached important consensus on expanding and deepening bilateral tiesReuters file photo

China and Iran are in close cooperation with each other as the countries are set to bolster bilateral ties over several matters including security and Tehran's nuclear deal with world powers.

Beijing's top domestic security chief Meng Jianzhu has paid a visit to Tehran, holding a series of talks with key Iranian officials.

In order to restore stability especially in the restless Xinjiang region over Islamist, Beijing said it is seeking bilateral cooperation from Iran.

"Both sides reached important consensus on expanding and deepening China-Iran bilateral ties, especially when exchanging views on pushing law-enforcement and security cooperation," an official statement from a Chinese ministry quoted Meng, member of the Central Committee of the Communist Party in China, as saying.

"China and Iran have broad common interests on fighting terrorism, and China is willing to further step up cooperation with Iran and play a proactive role in maintaining both countries security interests and promoting regional peace and stability."

Meanwhile Chinese deputy foreign minister Zheng Zeguang has also reaffirmed Beijing's support for Iranian nuclear activities during while the P5+1 powers and Iran embark on the nuclear deal as the deadline is set to expire.

"We are trying with Russia to secure the final (nuclear) agreement between Iran and the (Group) 5+1 and make the (anti-Iran) sanctions removed," the Chinese official said during his talks with Iranian deputy foreign minister for Arab and African affairs Hossein Amir Abdollahian.

The Chinese official went on to suggest that top officials from China, Russia and Iran should hold regular talks pertaining to the developments in the region.