Saturday, October 18, 2025

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The Hainan Free Trade Port (FTP) is about to see a major shift in how tourism is regulated. On December 1, 2025, a comprehensive new law, the Hainan Free Trade Port Tourism Regulations, will take effect, replacing the current provincial tourism ordinance ...

How to Book Overnight Train Tickets from Sanya to...

As of July 1st, 2025, China Railway has implemented a new train schedule that significantly improves connectivity between Sanya and Shenzhen. The Z8006/7 and Z8008/5 trains, have been extended to reach Sanya Station, providing an overnight journey between these two major cities ...

How to Dodge the Worst of May Holiday Traffic...

Plan your May Day trip smartly! Avoid traffic jams on Hainan highways with peak travel tips, scenic detours, and travel advice for a smooth holiday ...

Explore Hainan on a Budget: Special May Day Sightseeing...

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Invest in Hainan, the deep sea industry

Invest in Hainan, the deep sea industry

Hainan is regarded as one of the best spots for deep-sea R&D in the world

Sanya Deep-sea Science and Technology City is only 200 kilometres from deep-sea waters. It is a suitable place for deep-sea scientific research on South China Sea oil and gas resources, combustible ice, biological resources and more. Hainan has unique resources for the development of the deep-sea technology sector.

Scientific research institutions in Hainan

Top national-level marine scientific research institutions such as the Institute of Deep-sea Science and Engineering of the Chinese Academy of Sciences, and the South China Sea Institute of Oceanology of the Chinese Academy of Sciences, as well as leading enterprises such as China Merchants Group and China State Shipbuilding Corporation have established in Hainan.

Important deep-sea scientific research being carried out in Hainan

The “Explore 1” scientific research ship obtained over 100 litres of water samples from a 10,000-meter seabed in August 2016 during its first voyage.

This was the first time that Chinese deep-sea equipment obtained such samples.

In October 2018, “Explore 1” conducted deep-sea scientific research at the Mariana Trench, it completed research at a total of 87 stations and 504 kilometres of sounding, setting numerous records and proving China’s expertise in deep-sea technological development and scientific research.

In October 2020, China’s deep-sea manned submersible Fen dou zhe conducted a 10,000-meter sea trial at the Mariana Trench, setting a record of 10,909 meters for China’s deepest manned dive.

Core advantages of Hainan’s deep sea industry

The manned submersible Fen dou zhe’s home port is located in Sanya. It reached the bottom of the Mariana Trench at a depth of 10,909 meters, setting a record for manned deep dives in China.

The Deep Sea Warrior manned submersible’s home port is also located in Sanya. It is China’s second deep-sea manned submersible, marking another milestone for China’s deep-sea equipment after the “Jiaolong” submersible.

South China Sea Deep-sea Scientific Research Experiment and Comprehensive Support Base

Hainan has built a deep-sea scientific test and research and as well as a comprehensive service support base for the defence industry and created a high-end marine equipment industry cluster focused on the South China Sea.

There are two bases: a comprehensive test base for marine equipment systems and vessel maintenance and a support base.

There are two platforms: a demonstration platform for marine equipment, the military-civilian integration industry and a platform for technological innovation and international cooperation.

Recommended areas for investment

Deep Sea Science and Technology City

Related article: Invest in Hainan, which professional services are encouraged?

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