Generally speaking, long numeric domains are difficult to remember and use for Chinese companies. However, like anything in life, there are always exceptions. A small number of long numeric domains may work if they are meaningful. Some Chinese companies use numeric domains. For example, in the 2018 Top 100 Chinese Internet Companies Report (2018年中国互联网企业100强分析报告), the following seven companies use numeric domains. 360.com by 360 Total Security 58.com by 58.com 2345.com by 2345.com 37.com by 37 Games 4399.com by 4399 6.cn by 6Rooms 253.com by Chuang Lan 253 Read the full post here!