Inside China’s nuclear buildup: New activity spotted across 7 sites

China is rapidly advancing its nuclear weapons program with ongoing construction and upgrades at various strategic facilities nationwide. Notable developments have been observed in Pingtong, Zitong, and especially Lop Nur. The Federation of American Scientists reports an estimated 620 nuclear warheads, hinting at potential future production to support new delivery systems. Despite these advancements, Chinese officials emphasize their commitment to a defensive nuclear posture and a no-first-use policy.