The China-Japan-South Korea Industry Expo in Weifang, Shandong province, from Sept 23-25, will help build cross-country regional economic cooperation.
It will also help boost collaboration in fields of trade, investment, technology, culture and tourism among the three countries.
There has been rapid development in the level of cooperation between East Asian countries in recent years, with China signing a bilateral free trade agreement last month with close neighbor South Korea.
Under the deal, China will remove tariffs on 91 percent of all products imported from South Korea within the next 20 years. South Korea will eliminate tariffs on 92 percent of all goods imported from China.
At the Weifang expo, five sections, involving technologies and products in the fields of the modern manufacturing, agriculture and service industries, will be showcased.
Forums on the trade process and how to promote agricultural cooperation will also be held.
Weifang covers 16,100 square kilometers and has a population of 9.25 million. The city is famous for its kite industry and painting sector.