"Huawei uses Rust to develop a real-time OS for IoT devices, and in the StratoVirt project, a high-performance virtualization platform. According to engineers at Huawei, the company organizes routine Rust training and evaluation activities to encourage its large number of C/C++ developers to write safer code."

https://www.infoq.com/news/2021/01/rust-china-conf/

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I think they've been a big user of Rust in China for some time now, though I'm not aware of any big technical contributions to the language (or the core ecosystem) by them. In a similar vein, I find it a bit surprising that Facebook (or whatever they rebranded Libra to) is not part of the foundation. I think they are the only company that was interviewed when Rust's usage/usability experience in big companies was evaluated, that is not part of the foundation.

Disregarding all allegations, Huawei is one of the bigger tech companies and is one that has its finger in every pie, especially across domains where rust is advertised as a better alternative to incumbent C/C++. I can see why they are on the board.

Peixin Hou seems to be a director on Linux foundation too. Probably responsible for corporate lobbyism in OSS in general.