Asus royal club can exchange 1 to 1 for user on 1st yrs only.
Highpoint is service center for notebook.
Gigabyte GC as I know only SDS carry, NT no have gigabyte psu.
most lowyat shops they provide 1 year warranty only for their products.
Example: asus mobo and the hdd with warranty 3 years but lowyat they only provide u 1 year.
others 2 years although still under warranty, but they will still charge u RM30-50 for ''handling charges'',and so on.