Not sure, but 8 is certainly considered a lucky number in China. House and phone numbers with 8 in them are supposedly favored by some Chinese people, e.g. http

Not sure, but 8 is certainly considered a lucky number in China. House and phone numbers with 8 in them are supposedly favored by some Chinese people, e.g. https://list.juwai.com/news/2020/06/chinese-pay-attention-to-numbers-when-considering-home-purchases https://list.juwai.com/news/2020/06/chinese-pay-attention-to... (I'm not familiar with this source but there are many similar articles)