It will link Los Angeles to San Francisco through Fresno.
The Chinese reportedly want to build the trains, the tracks and possibly a manufacturing facility in Fresno.
A transportation investment group based in Beijing says China would bring money and expertise.
"(China) built more high-speed rail in the last 10 years than the entire world put together, so they do have the experience, they do have the expertise, they have the most modern technology," said Jeffrey Chang of Beijing.
China hasn't committed to investing yet.
Potential investors from other countries are set to visit Fresno over the next months.
Japan, Germany and France are all reportedly interested in the project.
