Deals worth 499.2 billion yuan ($70.22 billion) were signed at an investment fair that opened Friday in Shenyang, Northeast China's Liaoning province, according to the provincial commerce department.

The 315 deals signed at the 2022 Liaoning International Fair of Investment and Trade range from intelligent manufacturing and new energy to new materials.

Themed "Extend Opening-up Channel, Share Green Development," the fair aims to promote the achievements of revitalization and development of Liaoning, and boost the economic and trade cooperation between the province and other parties.

A series of activities focusing on economic and trade cooperation with Japan and the Republic of Korea will also be held during the fair.