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Because the protective mask will feel boring when worn for a long time, the breathing valve just solves this problem. The exhalation valve closes automatically when inhaling to block harmful substances; the valve disc automatically opens when exhaling, expelling moisture and heat, reducing exhalation Resistance makes exhalation smoother and more comfortable to wear!

Our factory is in the national tourist resort---Xikou Town, Ningbo, China, adjoins the world-class deep water harbor------Beilun port, 2 hours driving to Shanghai, only 20kms away from Ningbo Lishe International Airport, whereby it enjoys great traffic convenience.
Our products quality is strictly controlled according to ISO quality standard. The perfect producing and testing equipments, advanced quality management system, professional manufacture and sales team guaranteed our forceful before-sale and after-sale service.
We keep the policy “Favorable price, on-time delivery, steady quality, ceaseless development
heart-to-heart service and Win-win mode”.