1. JY941T electric oxygen stop valve
2. DSJ941H electric water seal stop valve
3. D943W electric flange butterfly valve
4. DJ23W low temperature needle valve
5. SD643H pneumatic expansion butterfly valve
6. D671F pneumatic wafer butterfly valve
7. J641F46 pneumatic fluorine lined stop valve
8. DKJ（ZKJ）electric steam pressure reducing valve
9. D971F electric soft seal wafer butterfly valve
10. D673H pneumatic three eccentric multilayer hard seal wafer butterfly valve
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