I would imagine (purely speculation) that anything of substance coming from chinese research institutions would be kept from western circulation, or at the very

I would imagine (purely speculation) that anything of substance coming from chinese research institutions would be kept from western circulation, or at the very least heavily altered or redacted to retain any competitive advantage the research might possibly have. Given how 'vertically integrated' the government is with the entire economy, it would make sense to see similar behavior from them as you would a corporate entity. The odd whitepaper may surface saying "We have this cool new thing" but technical details necessary to implement that cool new thing will be sparse or missing entirely. Everything is kept under lock and key as trade secrets.