1. OGM four digit oil meter
2. LWGY turbine flow sensor
3. RYJ aluminum alloy series quick connector
4. Q41F-ZL-50 aluminum alloy flange through ball valve
5. Q41F-ZL-65 aluminum alloy flange through ball valve
6. Q41F-ZL-80 aluminum alloy flange through ball valve
1. Q41F-ZL-100 aluminum alloy flange through ball valve
2. Q41F-ZL-150 aluminum alloy flange through ball valve
3. GFH-50 fire proof vacuum pressure cap
4. YJ7506 oil and gas recovery pipeline control valve TAG：