Our progress depends about the advanced products ,fantastic talents and continuously strengthened technology forces for Always for the majority of business users and traders to provide best quality products and excellent service. Warmly welcome to join us, let's innovation together, to flying dream.

1) Filtration efficiency: under the condition of air flow (85 ± 2) l / min, the filtration efficiency of sodium chloride aerosol with median diameter (0.24 ± 0.06) μ m in aerodynamics shall not be less than 95%, that is to say, it shall meet the grade of N95 (or FFP2) and above. It can block the air-borne infectious factors with a diameter of less than 5 μ m or close contact with the infectious factors transmitted by droplets.

2) Suction resistance: under the above flow conditions, the suction resistance shall not exceed 343.2pa (35mmh2o).

3) When the sample is sprayed to the mask under the pressure of 10.9kpa (80mmHg), the inner side of the mask shall be free of penetration and other technical indicators.

4) The mask must be equipped with a nose clip, which is made of bendable plastic material with a length of more than 8.5cm.

5) Synthetic blood is sprayed at 10.7kpa (80mmHg) pressure to the mask sample, and there should be no penetration inside the mask.

Our pursuit and company intention is usually to "Always fulfill our purchaser requirements". We go on to acquire and layout excellent high quality products for both our previous and new consumers and realize a win-win prospect for our customers too as us for 25mpa argon microbulk tanks in nigeria - Victank, The product will supply to all over the world, such as: Rotterdam, Gambia, Marseille, Bandung, For many years, we have adhered to the principle of customer oriented, quality based, excellence pursuing, mutual benefit sharing. We hope, with great sincerity and good will, to have the honor to help with your further market.