China has purchased 200 dredging ships over the last 11 years. Most of the technology was from Germany, Japan and other countries. China tripled its dredging capacity over the last 15 years. China can now build its own large and modern dredging ships. China has stated that a US ship passing within a dozen miles … Continue reading China will again triple dredging and will have over 50 fortified islands by 2030 in South China Sea