有沒有人可以幫我改一改文法&改通順一點??(英文好的請進)

The city of Guangzhou is located in Southern China, at the mouth of the Pearl River, which is 182 kilometers away from Hong Kong. It is the capital city of the Guangdong province. The city is an important commercial center as it has the largest harbour of Southern China, the Huangpu harbour of the Pearl River delta.

Guangzhou city is located at the mouth of the Pearl River in the South China, which is about 182 km from the north of Hong Kong. It is the capital city of Guangdong Province. Guangzhou city is an important commercial centre. The Huangpu harbor in the city is the largest in the Southern China.

Guangzhou city is situated at the mouth of the Pearl River in Southern China, around 182 kilometers north from Hong Kong. Being the capital city of Guangdong province, the southern gate of China, Guangzhou is an important commercial centre and export port, as it is a coastal city next to Huangpu harbour of the Pearl River delta, which is the largest port in Southern China.