Everything about the hotel is great, however the service is what saves its flaws. The hotel can improve with updated tech for the phone charger, energy output of refrigerator, and charging capability of USB ports (amenities/facilities). The reception is aware of this, and helped accommodate need. The staff has strong bilingual skills for those more novice with translation devices. Much appreciated.
I would say the check-in/check-out staff as well as concierge and restaurant staff carry the needs more so than other hotels. However, the hotel need not have prices so high compared to nearby hotels considering location amenities limited in the Expo/Poly area. I feel the Marriot Bonvoy umbrella can ensure Westin implements better rates.
I give a 5 on the location as it relates to the reason of my visit for a conference. I did not leave the island with the exception of Canton Tower buffet, as there is enough to do for a short weekend (beer park, metro museum, ancient port). The room service menu choice was perfection, and way better food options than the revolving restaurant at Canton Tower (compare price).