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- Aug 30, 2021
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Sigma is a Korean brand, and a subsidiary of OTIS.Most of the newer HDB flats built in the last 5 years or so are installed with the IFE brand lifts.
Previously it was the Sigma brand or some random Tiong brand.
I believe the lifts in certain MRT stations and overhead bridges are also of the same brand.
A huge contract must have been signed by the HDB.![]()

