interesting.
Seems it was a Liberian-flagged container ship owned by a Taiwanese company carrying a combination of lithium batteries & tert-Butyl peroxybenzoate.
Also, besides being one of the busiest ports, Ningbo-Zhoushan is a major port for loading and discharging oil from crude carriers.
https://www.reuters.com/world/china/major-chinese-port-reports-blast-cargo-ship-cctv-says-2024-08-09/