Space Rating
Get Started

Get rated

Two paths: begin with a self-check, or apply for a formal rating.

Self-check (free)

A rough level in 3 minutes

Apply for formal rating

Email us with the basic details of your space

What you will need

Basic information (address, area, workstations), a time when we may visit, and willingness to be interviewed. We take care of the rest.

How to apply: email us at hello@coralith.cn with the details above; we will be in touch once received; whether a formal rating proceeds will be arranged around our rating schedule.

Ratings and recommendations on this site are reference conclusions drawn from public information and our own data; they do not constitute any official certification or qualification. We are equally candid about this limit: if you find an inaccuracy, please tell us via this site, and it will be corrected once verified.  © 2026 Shanghai Ouyan Network Technology Co., Ltd.