China - Europe train stops loading/goods overstocked and congestion at border

Trains from/to China keep increasing these months in this peak season. There is serious congestion at borders

(Alashankou/Dostyk, Khorgos/Altynkol, Manzhouli,Erlanhot/Zamyn-uud, Suifenhe)
Bad weather, COVID-19 epidemic slow down the operation and wagon/vessel circulation, slot overfull.

Transit time keep increasing in CIS, EU Part, border crossing, and this may spread to whole route with failure of wagon mtch.

The delays for most westbound and eastbound trains at/via these borders for a period of time are expected.