Residents in Myanmar’s Shan State report that China has been moving border fences deep into Myanmar territory, absorbing land and reclassifying water lines. Despite previous infringements and local reports, there has been no official response from the military authorities in Naypyitaw.
https://www.irrawaddy.com/news/myanmar-china-watch/china-quietly-moves-its-border-fences-into-myanmar.html