The transportable powder series extinguishers are effective extinguishing appliances, in which extingshing agent sodium bicarbonate or ammonium phosphate powder together with the driving gas-nitrogen are filled in a full-sealed container.During application , nitrogen drives to jetting powder for extinguishing , which is advanced in technology, simple in structure , convenient in operation , maintenance and storage, safe and reliable. Portable stored-pressure powder series extinguishers, Transportable powder series extinguishers, Extinguisher box, Hydrant box, suspension type stainless steel series extinguishers, suspension type powder series extinguishers, autimatic powder extinguisher , powder extinguisher.