Observation submarine cable project records
| Owner | cable manufacturer | installing time | project site | Fiber optic cable technology parameters | Water depth (m) | Flow velocity (section) | Buried depth (m) | ||
| Outer diameter | cable length (km) | Structure type | |||||||
| (mm) | |||||||||
| Institute of NO.715 | Jiangsu TongGUANG Group | 2011.4-2011.5 | Sanya Hainan | 35 | 15 | 40 core double armor | 32 | 3 | 2 |
| National Marine Technology Center | Jiangsu TongGuang Group | 2011.5 | Sanya Hainan | 18 | 3 | 6 single core armored | 22 | 3 | |
| Second Institute of marine research | ZTT | 2011.5 | Sanya Hainan | 23 | 1.5 | 6 single core armored | 20 | 3 | |
| some department | ZTT | 2013.11 | Dalian Port | 36 | 1.8 | 36 core double armor | 14 | 3 | 3 |
| China electronics,great wall | ZTT | 2015.10-15.12 | Hainan Sanya | 41 | 64 | 48 core double armor | 130 | 3 | 2.5 |