A 1.6-billion-yuan ($233-million) project involving the value-added processing of sea rice will be carried out in Suixi county, Zhanjiang.
Construction began on the No 3 blast furnace of Baosteel Zhanjiang Iron & Steel on Dec 6.
Zhanjiang was authorized by the National Development and Reform Commission and the Ministry of Natural Resources to establish an Ocean Economic Development Demonstration Zone.
Zhanjiang's foreign trade increased by 11.9 percent year-on-year to exceed 30.43 billion yuan ($4.3 billion) in the first 10 months of 2018.
The Hongjiang Orange, grown at the Guangdong Hongjiang Farm, took gold at the 16th China International Agricultural Trade Fair (CATF) in Changsha, capital city of central China's Hunan province.
Zhanjiang enterprises won contracts worth nearly 3 million yuan ($432,844) at the 11th Cross-Strait (Xiamen) Cultural Industries Fair.
Zhanjiang's foreign trade with Belt & Road countries totaled 63.8 billion yuan ($9.1 billion) from January to September, a year-on-year increase of 25.4 percent.
A Zhanjiang delegation of 31 enterprises made an impact in the first phase of the ongoing Canton Fair in Guangzhou, clinching deals and letters of intent worth more than $70 million.