1. TGC  OPGW for China first 750kV transmission line;

2. TGC OPGW  for China first 1000kV transmission line;

3. TGC OPGW  for China first +-800 KV HVDC transmission line;

4. TGC OPPC for China first 35kV large cross-section optical cable;

5. TGC OPGW  for China biggest installation span - 1996 meters ( 2000 yards );