What's the difference between Qingmao Port and Gongbei Port?

I think the difference between Qingmao Port and Gongbei Port is as follows:

1. Different geographical location: Qingmao Port is located on the Yayong River in Gongbei, Zhuhai, adjacent to Qingzhou, Macao; Gongbei Port is adjacent to Macau.

2. Different production time: Qingmao Port time is 202 1 year; Gongbei Port 1999.

3. Different values and significance: Qingmao Port witnessed the continuous opening up of the entire SAR.