The double sealed pressure reducing device of the marine suspended semi submersible vertical turbine pump...

Manufacturing technology of vertical long axis semi submersible deep well turbine pump lifting pipe disassembly and assembly tooling....

Manufacturing technology of Suspended semi submersible vertical turbine pump shock absorber base....

Lead pump lead liquid leakage prevention device for suspended semi submersible vertical turbine pump....

LC suspended semi submersible vertical turbine pump to prevent impeller loosening....

Improved structure of the vertical suspended semi submersible vertical turbine pump....

Improved vertical suspended semi submersible vertical turbine pump outlet seat....

Improved underwater suspended semi submersible vertical turbine pump connected to the end face of the vehicle....