1. Technical transformation - increasing power and reducing noise

2. Technical transformation - extended blade tip + bi-directional winglet

3. Technical transformation - leading edge protection

Special maintenance/replacement of large components
▶ blade
1) Blade repair and maintenance
2) Supporting maintenance equipment for various models
3) Blade design, production, and manufacturing
4) Technical transformation of blades
▶ gearbox
1) Inspection/maintenance on the tower
2) Replacement under the tower
1) Inspection/maintenance on the tower
2) Replacement under the tower
3) Remanufacturing of various models of generators
▶ spindle
1) Inspection/maintenance on the tower
2) Replacement under the tower
3) Design, production, and manufacturing of multiple models of spindles