A Chinese-language website offering progressive, hands-on SQL exercises for self-learners who want to practice queries from beginner to advanced levels.
Hihocoder is a Chinese web platform offering algorithm and programming problem sets, reportedly built by the team behind Peking University's POJ judge.
效率集 is a Chinese web-based meta-search and navigation tool that aggregates search across multiple platforms and provides quick links to popular websites.
Guoyuwang 国域网 is a Chinese web service focused on .CN domain registration, DNS resolution management, and domain trading for individuals and businesses.
Enomcentral is an Enom-powered domain registrar that offers bulk registration, transfers and reseller tools for individuals and businesses managing web addresses.