Photo taken on December 8, 2017 shows the world's first semi-submersible intelligent marine fishing ground in the Norwegian Sea. The main body structure and system assembly of the fishing ground were completed in China, which demonstrated China's capability in high-end equipment development for deep-sea aquaculture. Regarded as the world's largest aquaculture support vessel, the fishing ground was delivered by China to Norwegian clients in Qingdao, east China's Shandong Province on June 3, 2017. (Photo/Xinhua)

The system of the intelligent marine fishing ground has achieved intelligence and automation in terms of frying, feeding, real-time monitoring and fishing net cleaning. Its main body was constructed by the Wuchang Shipbuilding Industry Group Co. Ltd. of the China Shipbuilding Industry Corporation. (Photo/Xinhua)

Staff work in the salmon processing factory of Salmar ASA company on December 8, 2017. The modern aquaculture facility is equipped with more than 20,000 sensors and 100 monitoring devices. (Photo/Xinhua)