China is a military and economic supporter of Russia. Shipments of military-capable hardware expose a China-sized loophole in Western sanctions. https://www.politico.eu/article/china-firms-russia-body-armo.... China defies sanctions to make Russia its biggest oil supplier in 2023 https://www.reuters.com/business/energy/china-defies-sanctio...

China is the biggest importer of Iran's oil. Iran's oil exports reach 5-year high, with China as top buyer https://asia.nikkei.com/Business/Markets/Commodities/Iran-s-.... Iran supports Houthi, and both with Iranian drones and Houthi missiles, are attacking US and European ships.