No. Not only does this not exist in China, but it does not exist worldwide.
The blue whale is the largest animal in the world, with a body length of more than 30 meters. Not to mention she eats 4-8 tons of food per day. the area of activity is 300 times the length of its body. The water area where blue whales are kept will exceed 100 square kilometers. Who could have built such a large artificial body of water to breed blue whales?
Among the large marine animals kept in aquariums or ocean rooms around the world, the largest is the killer whale. Body length does not exceed 10 meters. As for this, not every aquarium or oceanarium can afford it.