This is a unique advantage of Grenada citizenship by investment program. China has become known as the world’s factory with unlimited opportunities for foreign entrepreneurs.
A Caribbean passport usually gives visa-free access only to Hong Kong. Though it is de jure a Chinese territory, the Chinese are still upholding the principle of “two systems, one country” and you will need a visa to travel to mainland China.
This, however, does not apply to Grenada that has signed a visa-waiver agreement with the whole of China and not just one of its parts.