 Telescopio de modulación de rayos X duros | — | — |
| TianQin | — | — |
 Tsinghua University Observatory | Pekín | — |
| Tsingtao Observatory | A method for resolving spectra shift in the urban air quality monitoring system (DOAS) | — |
| ULTRA Observatory | Gusu | — |
| Urumqi Magnetic Observatory | — | — |
| Xingming observatory | Urumqi | — |
| Xingming Observatory | Urumqi | — |
| Xingming Observatory #2, Nanshan | Urumqi | — |
| Xingming Observatory #3, Nanshan | Urumqi | — |
| Xingming Observatory-KATS | Urumqi | — |
 Xujiahui Observatory | Shanghái | — |
 Xuntian | — | — |
| Xuyi Astronomical Observatory of Purple Mountain Observatory | — | — |
| Yunling Observatory | Yao'an | — |
 Yunnan Astronomical Observatory | Kunming | 2.014 m |
| Yunnan-HK Observatory | Yulong | — |
| Zhaoqing Magnetic Observatory | — | — |