Puyang Donghao Mechanical & Electronic Co., Ltd
All Products
- Continuous Sand Flushing Device
- Eccentric Water Distributors
- Expansion Compensator
- Mul-functional Subsurface Safety Valve
- DH-211 Single String Mechanical Retrievable Service Packer
- DH-211 Oilfield Single Grip Retrievable Mechanical Casing Packer
- Skid-mounted Fine And Absorptive Filtration Device
- Integrated Skidded Equipment For Oily Sewage Treatment
- Skidded Equipment For Wastewater Treatment Of Mobile Operation
- Bag Fine Filter
- Double-chamber Fine Filter
- Fine Filter
- Multi-medium Filter
- Oil Extraction String
- DTQS Large ID Bridge Plug
- Dissoluable Bridge Plug
- Composite Bridge & Frac Plugs
- RBP Retrievable Bridge Plug
- Solid Anti-corrision Device
- DH-PBD Drillable Bridge Plug
- Sliding Sleeve Sand Jet
- DH-531 Completion Tools Retrievable Hydraulic Service Packer
- Gas Anchor
- DH-241 Hydraulic Single String Retrievable Service Packer
- Self-cleaning Sand Control Screen
- Casing Cement Head
- DH-341 Retrievable Hydraulic Service Packer
- DH-344 Inflatable Hydraulic Service Packer
- Cementing Stage Collar
- Casing Head
- Liner Hanger
- Skidded Equipment For Treatment Of Drilling Fracturing Wastewater
- Float Collar & Float Shoe
- Constant Pressure Bleed Valve
- DH-221 Single String Retrievable Mechanical Set Service Packer
- High Pressure Check Valve
- DH-531 Retrievable Frac Hydraulic Oilfield Packer
- DH-344 Oil Well Inflatable Hydraulic Packer
- Completion Tools Hydraulic Frac Injector&jet
- Harmless Treatment Waste Drilling Mud Plant
- Fracturing String
- Positive Casing Protector
- DH-422 Oilfield Double Grip Retrievable Mechanical Packer
- Negative Tubing Protector
- RTTS Oil Well Retrievable Casing Mechanical Packer
- Subsurface Safety Valve
- Solid Anti-paraffin Device
- Sliding Sleeve Restrictor
- Surface Constant Flow Water Distributors
- Bridge Water Distributors
- Safety Joint
- Reducing Joint
- Hollow Water Distributors
- DH-341 Retrievable Hydraulic Injection Casing Packer
- DH-221 Retrievable Mechanical Injection Packer
- DH-211 Injection Retrievable Mechanical Packer
- Switch Sliding Sleeve
- Pressure Sliding Sleeve
- Screw Pump Torque Anchor
- Tubing Anchor Catcher