The nine mainland cities in the Guangdong-Hong Kong-Macao Greater Bay Area (GBA) recorded a total import and export value of 9.15 trillion yuan (about 1.34 trillion U.S. dollars) in 2025, a surge of 35.2 percent compared with that in 2020, the final year of the 13th Five-Year Plan period (2016-2020), according to data from the Guangdong branch of the General Administration of Customs of China (GACC).

In 2025, exports from the nine mainland cities reached 5.83 trillion yuan, marking a 41.1 percent increase from 2020.

Exports of the "new trio" -- electric vehicles, lithium-ion batteries, and photovoltaic products -- saw particularly rapid growth. Their combined export value totaled 200.56 billion yuan in 2025, a dramatic surge of 311.3 percent compared with that in 2020. Their share of total exports rose by 2.3 percentage points to 3.4 percent.

Exports of goods from independent brands also posted strong growth, reaching 1.38 trillion yuan in 2025, up 79.2 percent from 2020. Their share of total exports increased by 5 percentage points to 23.7 percent.

Meanwhile, imports by the nine mainland cities reached 3.32 trillion yuan in 2025, an increase of 25.9 percent compared with 2020.

Among them, imports of key production materials and equipment for the electronics industry -- including integrated circuits, semiconductor manufacturing equipment, and computers and their parts -- surged dramatically by 46.8 percent, 287.5 percent, and 177.2 percent, respectively.

Imports of daily necessities also posted steady gains. Compared with those in 2020, agricultural imports rose by 32.2 percent, while pharmaceutical imports increased by 14 percent.

The GBA consists of the Hong Kong Special Administrative Region (HKSAR), the Macao Special Administrative Region (Macao SAR), as well as nine cities in Guangdong Province, namely Guangzhou, Shenzhen, Zhuhai, Foshan, Huizhou, Dongguan, Zhongshan, Jiangmen and Zhaoqing.