North China-based facility to provide clean power to nearby enterprises.

The national carbon trading market now covers 2,162 companies, all of which are electricity companies.

Among 21 surveyed manufacturing sectors, 12 sectors saw an improvement in PMI reading in August.

The foreign trade value of North China's Hebei province reached 313.46 billion yuan ($46 billion) in the first seven months of this year.

The trip by rail and sea was about 20 days shorter than if the goods had been sent by sea.

Profits at China's industrial companies fell in the first seven months of this year as the country grapples with pandemic-related disruptions, high temperatures and insufficient domestic demand.

A total of 16 out of 41 major industries saw growth in profits in the January-July period, and 14 of them reported growth of over 5 percent.

The industry has also stepped up efforts ensuring safe mining in recent years, Sun said.