To encourage and accelerate the deployment of hydrogen energy and promote sustainable growth, China plans to build four "hydrogen corridors" in the Yangtze River Delta region based on the expressway network in the area by 2021, with additional hydrogenation infrastructure facilities linking cities in the region.

The four corridors will link Shanghai, Suzhou, Nantong, Rugao, Ningbo, Jiaxing, Huzhou and Zhangjiagang, which have been actively developing their hydrogen energy and fuel cell vehicle industries, according to the Hydrogen Corridor Development Plan in the Yangtze River Delta Region released by the China Society of Automotive Engineers (CSAE) on Friday.

More than 40 hydrogen refueling stations will be built in the region between 2019 to 2021 and link major expressways including the Shenyang-Haikou Expressway, the Shanghai-Chengdu Expressway, the Shanghai-Chongqing Expressway and the Shanghai-Kunming Expressway.

Share prices of hydrogen energy firms listed on the A-share market surged on Friday, with those of HuaqiHoupu Group and Taiyuan Chemical Industry Co Ltd rising by the 10-percent daily limit.

According to CSAE, the Yangtze River Delta region as a demonstration area for the country's hydrogen energy sector sees substantial potential for further development in the clean energy sector.

Despite rich resources of hydrogen as well as a more mature hydrogenation infrastructure facility in the region compared with the rest of the country, more synergy and coordination is necessary among the cities in the delta region to better generate momentum for hydrogen economy development in China, it said.

China has advantages in terms of resources and market scale and the prospects for the hydrogen industry are promising despite a late start in development, according to industry insiders.

"Hydrogen is a promising alternative fuel as China has become the world's largest producer and consumer of energy," said Han Xiaoping, chief information officer of China Energy Net Consulting.

According to the Yangtze River Delta hydrogen corridor plan, the region will build more than 10 "hydrogen corridors" based on the expressway networks in the region by 2025 and more than 20 by 2030 to develop an automotive industry economic belt powered by hydrogen and fuel cells.