1. GID-65  electric vacuum butterfly valve
2. GID-80  electric vacuum butterfly valve
3. GID-100  electric vacuum butterfly valve
4. GID-150  electric vacuum butterfly valve
5. GID-200  electric vacuum butterfly valve
6. GID- 250 electric vacuum butterfly valve
7. GID-300  electric vacuum butterfly valve
8. GID-400  electric vacuum butterfly valve
9. GID- 500 electric vacuum butterfly valve
10. GI-32 series high vacuum butterfly valve
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