Why do you knock at the door when staying in a hotel in Malaysia?

Politeness and respect for guests. According to the inquiry, public comments show that. Malaysia is a city full of history and multiculturalism, which is undoubtedly the starting point of a gorgeous adventure. When staying in a hotel in Malaysia, it is polite and respectful for guests to knock at the door. Knocking on the door before entering the room is not only applicable to the check-in personnel, but also to other departments of the hotel. Whether it is service, cleaning or management, we must follow this professional principle.