The smart-glasses company Vuzix has announced that it has 3C certification for its M400 model. Therefore, it may now target the market in question with this IP67-rated, drop-resistant smart viewer. As with many other products in this category, it is directed at professional and industrial applications.
https://www.notebookcheck.net/3C-clears-Vuzix-to-sell-its-M400-smart-glasses-in-China.480252.0.html