Reference

Based on search results, here is the detailed information regarding the deep-submergence vehicles under the Harmony and Rainbowfish classes:

Harmony Class

• Jiaolong: The Harmony-class bathyscaphe, named "Jiaolong" (also known as "Sea Dragon"), is a Chinese deep-submergence vehicle. It is developed from the Sea Pole class and is one of the main deep-submergence vehicles in China's fleet.

Rainbowfish Class

• Rainbowfish Bathyscaphe: The Rainbowfish class bathyscaphe is another Chinese deep submergence vehicle. It was under development around 2015 and intended to enter service in 2019. This vehicle is specifically designed for deep-sea exploration and research.

For more comprehensive information, you can refer to these sources:

• Wikipedia on Rainbowfish-class bathyscaphe
• Wikipedia on Deep-submergence vehicle
• Military Wiki on Deep-submergence vehicle

Images

Here are some images related to deep-submergence vehicles, which may also be of interest:

If you have further questions or need more detailed specifications, feel free to ask!