The key difference in RISC-V products is how they define the way in which software talks to a processor, via open-source. It is this aspect that could be of particular interest to Chinese companies as such products are not directly subjected to US sanctions.
The RISC-V Foundation, which promotes the ISA’s use, features leading global players including Microchip, Western Digital, Google, Nvidia, and Qualcomm, to name just a few. Through collaborative and independent projects, several members are working to create RISC-V based designs.
To read more please visit https://technode.com/2019/07/24/chinas-chipmakers-risc-v-sanctions/.