Disposable Protective KN95 Mask For Civil Use

Product description

The unsealed product has a shelf life of 3 years under the conditions of -20℃ to +38℃, relative humidity not higher than 80%, and oxygen ratio in atmosphere not lower than 19.9%.

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    Dongguan Huiyue Technology Co., Ltd is focused on connection(welding) die casting also masks. We are comprised by a group of high educated specialists,with the leader of overseas professor, some of us have more than 10 years welding and casting experience,our goal is to provide high performance product but low price and exceeded service. We care for the safety of operator, this year, we developed a safety system in spot welding industry named SOFT TOUCH system,which can prevent heavy pinch point injury. We are specialized in most of the connection(welding) technics,the most application we have participated in are electronic component(resistance,capacitor,inductor),chip on board,automotive electronic accessories,cell phone,IC cards,motor armature commutator etc.