I'm their customer for a long time
Not cheap. But got cheaper in house brand stuff
Their own brand is Sims.
I buy their Sims sink for my HIP
other brands can be pricey, esp angmoh brands.
Slightly cheaper one is next door, Hoe Kee. But I find their quality and design not as good as what Sim Siang Choon offer.
Taps I use Paffoni. Italian brand.
For kitchen tap, I changed to a local brand, Showy, which can be found at many hardware stores and shops.
Most importantly for me, is that I managed to email them to ask if they sell the inner cartridge for their tap should the cartridge wear off and leak in future.
So I can buy and replace it myself.
If you're not too concerned about brand or looks, you can take a look at their website.
Cos angmoh taps costs over $100 each
https://www.showy.com.sg/main/