That's what they claim at least in the paper but that particular claim is not verifiable. The HAI-LLM framework they reference in the paper is not open sourced and it seems they have no plans to.
Additionally there are claims, such as those by Scale AI CEO Alexandr Wang on CNBC 1/23/2025 time segment below, that DeepSeek has 50,000 H100s that "they can't talk about" due to economic sanctions (implying they likely got by avoiding them somehow when restrictions were looser). His assessment is that they will be more limited moving forward.