China has tested its Radar, Air Defense, and missiles against the US NAVY, F-35, and MC-130 transport planes in Iran

Recently, a report has stated that due to US-Iran tensions, China and Russia had sent many advanced missiles, drones, air defense systems, and anti-aircraft radars, which were used only in Iranian territory so that in the future the US could not directly blame China and Russia, and most of the weapons were used only to defend Iran from US/Israeli strikes. Apart from this, Iran is the only country in the world that used its own developed heat-seeking technology against US F-15, F-18, and F-35. China’s direct major conventional arms transfers to Iran have been limited since the mid-2010s due to UN sanctions (Resolution 2231) and international scrutiny. Beijing officially curtailed large-scale weapons sales after 2005–2015, shifting instead to dual-use technologies, components, and materials that Iran uses to build and upgrade its own systems.

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Apart from this, there is growing strength between China and Taiwan because the Iran-US war has proved that Japan, South Korea, Taiwan, and the Philippines are also losing confidence in US arms deployment, as all the air defense systems deployed in the world by America were sent to the Middle East to save Israel. Because it has been said that if Cheng Li-wun, the leader of the pro-Chinese Kuomintang (KMT) party in Taiwan, wins the 2028 elections in Taiwan, then there is a possibility that pro-Chinese parties may also be established in Japan, South Korea, and the Philippines. And there is also a possibility that if the pro-Chinese leader wins in Taiwan, then it is also possible that in the future the Chinese PLA can be deployed inside Taiwan, which can be a big shock for America and the West.

Most Reported/Claimed Chinese-Origin or Supported Systems. China has transferred one of the top categories of weapons, technologies, or components linked to China-Iran cooperation.

1. Missile Propellant Precursors (Most Consistent & Significant Support)
   • Sodium perchlorate and ammonium perchlorate: Key chemicals for solid rocket fuel in ballistic missiles (e.g., powering hundreds of Haj Qasem or Kheibar Shekan-class missiles).
   • Multiple shipments reported: ~1,000 tons in early 2025; additional loads via Iranian vessels from Chinese ports (e.g., Gaolan Port) in 2026.
   • This helps Iran rebuild missile production sites hit in prior strikes. US Treasury has sanctioned Chinese firms and entities involved. ipdefenseforum.com
2. Anti-Ship Cruise Missiles (High-Profile Negotiations)
   • CM-302 (export version of China’s YJ-12 supersonic “carrier-killer” missile).
   • Iran was reportedly “nearing a deal” or close to agreement in late 2025–early 2026. Described as a potential “game changer” for threats in the Strait of Hormuz due to high speed and difficulty in intercepting. Delivery timeline unclear; some unverified claims of partial transfers. dsm.forecastinternational.com
3. Drones / Loitering Munitions (Kamikaze/Attack Drones)
   • Offensive UAVs and components (sensors, gyro navigation devices, semiconductors, voltage converters).
   • Iran incorporates Chinese parts into its own designs (e.g., Shahed-series derivatives exported to Russia/Ukraine proxies). Reports of direct shipments of attack drones or loitering munitions in 2025–2026.
   • US sanctions on Chinese front companies for supplying drone tech to IRGC-linked entities.
4. Surface-to-Air Missiles (SAMs) & Air Defense (Rumored but Mixed Evidence)
   • HQ-9B (long-range SAM, similar to S-300 capabilities): Rumors of deliveries post-2025 war for rebuilding defenses; some analysts say no battlefield evidence or confirmation.
   • HQ-16B, HQ-17AE, HQ-7 (Crotale equivalent; older confirmed deliveries).
   • Supporting radars (e.g., YLC-9B, SLC-2 counter-battery).
   • Older systems like HQ-2 and MANPADS (FN-6, QW-series) have historical Chinese roots or copies in Iran’s inventory. hudson.org
5. Other Dual-Use & Enabling Tech
   • BeiDou satellite navigation system: Access granted to Iran for precise guidance in missiles/drones (alternative to GPS).
   • Electronics, guidance components, and radar tech are used in Iranian ballistic/cruise missiles.
   • Historical transfers (1980s–1990s): C-802 anti-ship missiles, tanks, artillery, and ballistic missile tech (M-series influence on early Iranian programs).

Chinese contribution is enabling Iran’s indigenous production through chemicals, components, and know-how rather than turnkey weapons platforms. Due to this, it has been said that even though Iran was fighting the US/Israel with its own made missiles, the involvement of China and Russia is being seen in this way, due to which the US believes that even if the US continues the war against Iran for 10 years, it will not be so easy for Iran. Recently, it has been reported that a $5 billion secret arms deal has been signed between the US and Iran, which is giving China an opportunity to test its weapons against the US in the future.