What is the fine-grained topic of the following text: China also has the potential to become a “huge” market, according to Cornelius, since the company’s Nereus turbine that is suitable for shallow-water can be deployed not just in tidal oceans, but in rivers too – and that is a resource that China has a plenty of. Only return the topic.
The potential of China's market for the company's Nereus turbine suitable for shallow-water deployment.