The highest technology of Chinese enterprises is 28 nanometers, and it is also the technology brought by the platform of the core digging
The most important machine for the chip process is the lithography machine, which is currently monopolized by Europe. Europe has a treaty that prohibits the export of high-tech equipment like lithography machines to communist countries,
However, a piece of good news that excited the public came, a domestic giant suddenly announced that they have been through the production method of generation processing by partners, has been very skilled in the process of 7-nanometer chips, and is now preparing to go to 5-nanometer chips, the domestic giant is ZTE.
High-speed rail does not have such high requirements for the process, and can be used for 90-128 nanometers.