Here is a polished English translation, with the grammar and sentence structure carefully corrected while preserving the original meaning:
Wang made the statement during a meeting with his Iranian counterpart, Abbas Araghchi, who was visiting China. He said Beijing was ready to strengthen dialogue and cooperation with Tehran while defending its rights and interests.
Meanwhile, Chinese President Xi Jinping is scheduled to travel to Washington next week, where he will meet with U.S. President Donald Trump.
China, one of Iran’s major economic partners, has long sought to ease tensions in the Middle East. The conflict, which has continued for months, has also spread to some of Iran’s neighboring countries.
This version uses natural, professional English suitable for a news report, rather than translating the Hausa word-for-word.