A welcome bonus is a bonus that a casino offers its players once they join their site. It's a way to appreciate new customers and encourage them to play. However, any winnings from the welcome bonus may have to be used to make other bets before any withdrawals can be made.
China is the country with the world's highest population, and its second-biggest economy, which makes it a prime target for online casino operators. Chinese citizens are generally tech-savvy and have access to smartphones, meaning that the potential size of the online gaming community in the East Asian country is enormous.