Hand pumps for portable operate Rotary hand pump is a manual pump which doesn't require electricity or any other form of power in order to operate, which makes them good for being portable and for use in remote locations, as well as being cost effective. Rotary hand pumps as they are also referred ...
https://www.saikenpump.com/Hand-Pumps.html
Portable hand pump type hand pump is suitable for small and medium-sized oil depots, gas stations, agricultural machinery stations, enterprises, factories and mines, fleets, vehicles, ships, airports and other units. The pump is compact in structure, small in size, light in weight, convenient to mo...
https://www.saikenpump.com/Portable-hand-pump.html