West has imposed sanction on China so that they cannot acquire sensitive Western technology. Germany has even refused to sell Submarine engine to China.
I think he means Chinese weapons/missiles etc are not battle proven whereas Iran has demonstrated that capability with hitting Israel as well as supplying Russia with drones.. effective in combat.
Even India vs Pak Feb 19 skirmish, it was US F16s who downed the Indian Mig.
@Lulldapull Tell me. When losing the Beidou satellite navigation system. Iran, which you adore the most, how does it continue to fight? How do you sit at home and type on your keyboard.