Datian machine mainly produces submersible pump,combination pump, flowmeter, sensor,nozzle,solenoid valve, hose swivel,oil viewing device,foot valve,,MLD,break away valve, explosion-proof junction box,emergency shutoff valve,filter,3-phase connection,check valve,nozzle boot,corrugated pipe, gear pump, vane pump,air operated diaphragm pump,electric diaphragm pump,centrifugal pump,electric displacement pum