They borrowed Japan's 1980's memory chip playbook: In a recession/slowdown, US and the rest of the world cutback whereas Japan chip makers invested in building new capacities so when demands recovered, they gained market share.
ok, 15 days thenThe way I see,
the 19 days exclude
- foundation work which could take years depending on ground condition
- mechanical, electrical, plumbing works (some of which might be already in the module)
- finishing touch to the facade, tiles for interior surfaces
- interior decoration
- lift, escalator, sprinkler system, pumps, cooling/heating system ... installation
...
the 19 days include
- only stacking of floor/ceiling/wall/window modules which were manufactured offsite
Carbon emissions for steel production in China is twice what it is in the United States for the same quantity of steel.