Invention Patent
An explosion-proof shell for electromagnetic coils
Invention Patent
A normally open piston type solenoid valve
Utility Model
A quick opening and closing hydraulic safety valve
Utility Model
A high-temperature resistant ball valve
Utility Model
A valve switch to prevent accidental touch
Utility Model
A valve seat with adjustable height
Utility Model
A valve seat with adjustable height
Utility Model
A release type fully welded ball valve