1. GI-40 series high vacuum butterfly valve
2. GI-50 series high vacuum butterfly valve
3. GI-80 series high vacuum butterfly valve
4. GI-100 series high vacuum butterfly valve
5. GI-150 series high vacuum butterfly valve
6. GI-200 series high vacuum butterfly valve
7. GI-250 series high vacuum butterfly valve
8. GI-300 series high vacuum butterfly valve
9. GIQ-40 series high vacuum butterfly valve
10. GIQ-50 series high vacuum butterfly valve TAG：