As a general estimate, it can take around 5 to 7 days for a cargo ship to travel from Singapore to China. This includes the time it takes for the ship to load and unload cargo, as well as the actual transit time between the two countries.
Here are some additional details about cargo ship travel times between Singapore and China:
* The distance between Singapore and China is approximately 2,200 nautical miles (4,075 kilometers).
* Cargo ships typically travel at speeds of around 15 to 20 knots (28 to 37 kilometers per hour).
* The route taken by cargo ships from Singapore to China can vary, but it often involves passing through the South China Sea and the Taiwan Strait.
* Weather conditions, such as storms or rough seas, can affect the speed and duration of cargo ship travel.
It's worth noting that these are general estimates and the actual travel time may vary depending on the specific circumstances of each journey.