| No | Title | Type | Date |
|---|---|---|---|
| 1 | Tuyere exchaging machine (Lift type) | Development | 2020-08 |
| 2 | Slag recycling facility | Development | 2017-04 |
| 3 | Billet torch cutter machine | Localization | 2015-08 |
| 4 | Blocking apparatus for high pressure water scattering in final mill | Improvement | 2014-08 |
| 5 | Automatic apparatus of Cheek plate welder & grinder | Development | 2013-12 |
| 6 | Structure of skimmer cover and connecting cover | Improvement | 2013-04 |
| 7 | Installation cooling jacket for cover life extension | Improvement | 2013-04 |
| 8 | Dust recycling | Improvement | 2013-04 |
| 9 | Improvement tundish preheater frame for life extension | Improvement | 2012-09 |
| 10 | Improvement tilting runner cover for dust collection efficiency | Development | 2011-12 |
| 11 | Secure penetration angle of tuyere | Development | 2011-09 |
| 12 | Mud gun nozzle tip | Development | 2011-08 |
| 13 | Expansion of internal diameter of Bend piece and sighthole cover | Improvement | 2011-08 |
| 14 | Prevent deformation of splash cover | Improvement | 2011-08 |
| 15 | Center insertion type lance for pulverized coal | Development | 2011-06 |
| 16 | Improvement manipulator for preventing of cover tilting | Improvement | 2011-05 |
