China’s 155mm naval gun seen on test vessel, signalling boost to amphibious landing power

South China Morning PostEN 1 min read 100% complete by Liu ZhenFebruary 23, 2026 at 02:00 PM

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China is testing a newly developed 155mm naval gun, potentially enhancing the People's Liberation Army Navy's (PLAN) land-attack capabilities. Photos of the large-caliber weapon mounted on a test vessel at the Liaonan shipyard in Dalian recently surfaced on Chinese social media. The gun, developed by China North Industries Group Corporation (Norinco), is the largest in the PLAN's arsenal and is capable of firing guided munitions. Its appearance on a test ship suggests the project is advancing towards at-sea trials. Once operational, the gun would represent a significant upgrade in firepower, particularly for amphibious operations, and would be the largest calibre main gun of modern navies.