The upcoming summit between China and the Gulf countries will be a milestone for future partnerships, the Chinese foreign ministry said, as President Xi Jinping arrived in the Saudi capital. CGTN correspondent Yang Chengxi reports from Riyadh for RT. ----------------------------------------------------------------------------------------- Freedom over censorship, truth over narrative. Follow us on Facebook: https://www.facebook.com/RTnews Follow us on Telegram: t.me/rtnews Follow us on Twitter: https://twitter.com/RT_com