1. Composite bridge plug \5" 150 ° C 70MPa
2. Composite bridge plug \5-1/2" 150 °C 70MPa
3. Sampling valve \KGMQJ11F/H-250P-II type DN15
4. Sampling valve \GMQJ11F/H-260P-II type DN15
5. Sampling valve \KGMQJ11F/H-40P-II type DN15
6. Sampling valve \GMQJ14F/H-260P Type II DN15
7. Sampling valve \GMQJ11F/H-1.6P-IIDN15
8. Sampling valve\GMQJ11F-6.3P-IIDN15
9. Sampling valve \GMQJ11F-2.5P-IIDN15
10. Sampling valve \GMQJ11F-1.6P-IIDN15
11. Sampling valve \GMQJ11F-1.6P-II DN15
12. Sampling valve\GMQJ11F/H-63PII DN15 TAG：