https://gcaptain.com/chinese-containership-istanbul-bridge-reaches-uk-via-arctic-route-in-record-20-days/

By going through Russia instead of the Malacca Strait and the Suez Canal, shipping from China to Europe can be cut down from 30-40 days to ~20 days.

How come nobody did this before???

If the US wants to naval blockade China in a Taiwan scenario will also have to face Russian nuclear attack submarines and coastal defenses: https://gcaptain.com/chinese-containership-istanbul-bridge-reaches-uk-via-arctic-route-in-record-20-days/

China with the help of Russia has just bypassed both Malacca Strait and the Suez Canal: https://gcaptain.com/chinese-containership-istanbul-bridge-reaches-uk-via-arctic-route-in-record-20-days/