| Sealing cap | 06947014620791 | Hangzhou Hawk Optical Electronic Instruments Co.,Ltd. | Class I | |
| Sealing Valve | 06947014612420 | Hangzhou Hawk Optical Electronic Instruments Co.,Ltd. | Class I | |
| Sealing Valve | 06947014620807 | Hangzhou Hawk Optical Electronic Instruments Co.,Ltd. | Class I | |
| Sealing Valve | 06947014620821 | Hangzhou Hawk Optical Electronic Instruments Co.,Ltd. | Class I | |
| Sealing Valve | 06947014621675 | Hangzhou Hawk Optical Electronic Instruments Co.,Ltd. | Class I | |
| Sealing Valve | 06947014622054 | Hangzhou Hawk Optical Electronic Instruments Co.,Ltd. | Class I | |
| Sealing Valve | 06947014622108 | Hangzhou Hawk Optical Electronic Instruments Co.,Ltd. | Class I | |