Cameroon is 268 times larger than Shengzhou (China).
Area: 475,440 km2 World Factbook
Population: 23,130,708 (July 2014) World Factbook
Cameroon, officially the Republic of Cameroon, is a country in the west Central Africa region. It is bordered by Nigeria to the west; Chad to the northeast; the Central African Republic to the east; and Equatorial Guinea, Gabon, and the Republic of the Congo to the south. Wikipedia
Area: 1,776 km2 calculated
Shengzhou is a county-level city in central Zhejiang inland south of the Hangzhou Bay, and is the south-eastern part of the prefecture-level city of Shaoxing. It is about 1.5 hours drive from the provincial capital of Hangzhou through the Hangzhou-Ningbo、Shangyu-Sanmen Expressway. Wikipedia