We've our have sales staff, style and design staff, technical crew, QC team and package workforce. We've strict excellent control procedures for each system. Also, all of our workers are experienced in printing field for We warmly welcome domestic and overseas customers send inquiry to us ,we have 24hours working team! Anytime anywhere we are still here to be your partner.

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.

Sticking to the belief of "Creating products of high quality and making friends with people from all over the world", we always put the interest of customers in the first place for 1000l lin liquid oxygen tank in bahrain - Victank, The product will supply to all over the world, such as: Venezuela, Denmark, London, Los Angeles, We pay high attention to customer service, and cherish every customer. We have maintained a strong reputation in the industry for many years. We are honest and work on building a long-term relationship with our customers.