The phrase "a hub from which" is correct and usable in written English.
It can be used to describe a central point or location that serves as a source or starting point for various activities or connections.
Example: "The city serves as a hub from which many cultural exchanges take place."
Alternatives: "a center from which" or "a focal point from which".
Chicago, home of the Mercantile Exchange, has always been a hub from which legitimate goods fan out across the country, and it's no different for black-market commodities.
Other Chinese carmakers, including Brilliance Auto and Great Wall Motors, say they see Egypt as a hub from which they can sell into the North African and European markets.
Simon Segars, the chief executive of ARM, a British company whose technology underlies the chips in almost every smartphone, thinks that the phone is becoming a "hub" from which other connected gadgets will be controlled.
The operation was aimed, the authorities said, at stopping an ambitious scheme to use Liberia as a safe haven and a hub from which to distribute thousands of kilograms of cocaine worth millions of dollars.
For example, a brain region called the anterior cingulate -- a hub from which many circuits branch out -- is almost always active when human subjects are experiencing emotions or need to think about things that are difficult.
Two generations ago it was a small trade and pearling center surrounded by desert, but today this city on the Persian Gulf has grown into a hub from which tech startups with roots across the Middle East look toward rising markets to the east, west, north, and south.
Now, I don't want to imply that dialing your 2400 baud modem into a central hub from which you can Omegle a random Belgian man is a human right, or the "floor" for modern Internet access.
Israel sees Greece not only as a gas purchaser but also as a European hub from which Israeli gas could be sold and piped on.But Greece may not sign on the dotted line until Israel has agreed with Lebanon and Cyprus on where a border is to be drawn in the sea, demarcating each country's economic exclusion zone.
By contrast Northzone is investing at a slightly earlier stage and London is a big hub from which do do it across Europe.
The cartwheel has been perhaps best described in C. reinhardtii and consists of a central hub from which emanate nine spokes capped by a pinhead-like structure (Cavalier-Smith, 1974).
There is also a Singularity Hub, from which you can directly pull Singularity images in a similar fashion.
