In the past few days, the haze weather has enveloped most of China, and the PM2.5 index in many places is approaching the maximum. The crime of children in smog weather is vulnerable. Although studies have shown that the N95 mask's ability to prevent PM2.5 is significantly higher than that of other pure cotton masks, but because this mask is very tight, it blocks the children's nose and mouth, which is likely to cause the baby's breathing to be difficult. It is recommended that the baby Or use a cotton mask.
There are very few professional children's dust masks on the market. Although they are sold online, the quality is doubtful. Some small commodity wholesale malls, there are indeed many "children's masks" for sale, with a variety of styles and colorful colors, very popular with children, and the price is generally between 3 yuan and 8 yuan. But if you look closely, the packaging of these masks is too simple. Some are just covered with a layer of plastic paper without a trademark. Some trademarks are marked, but important information such as the manufacturer, production date, material, certificate I couldn't find them at all, and even had no outer packaging. It feels like most masks are made of cotton.
The test equipment developed and produced by Shanghai Qingji Company is developing in various aspects such as computerization, intelligence and multi-function. It adopts high-tech, sophisticated manufacturing technology and strict scientific practical application to make the test equipment more simple analysis Check the information of the test sample. The testing equipment of the masks developed and produced are: universal testing machine, mask tensile testing machine, mask tear strength tester, fabric puncture strength testing machine, fabric seam tensile testing machine and other equipment. The overall design of Shanghai Dianji integrates the advanced technology of Dianji instruments, which has the characteristics of beautiful appearance, simple operation, stable and reliable performance, and is used by major manufacturers for quality inspection in the flooring industry.
There are very few professional children's dust masks on the market. Although they are sold online, the quality is doubtful. Some small commodity wholesale malls, there are indeed many "children's masks" for sale, with a variety of styles and colorful colors, very popular with children, and the price is generally between 3 yuan and 8 yuan. But if you look closely, the packaging of these masks is too simple. Some are just covered with a layer of plastic paper without a trademark. Some trademarks are marked, but important information such as the manufacturer, production date, material, certificate I couldn't find them at all, and even had no outer packaging. It feels like most masks are made of cotton.
The test equipment developed and produced by Shanghai Qingji Company is developing in various aspects such as computerization, intelligence and multi-function. It adopts high-tech, sophisticated manufacturing technology and strict scientific practical application to make the test equipment more simple analysis Check the information of the test sample. The testing equipment of the masks developed and produced are: universal testing machine, mask tensile testing machine, mask tear strength tester, fabric puncture strength testing machine, fabric seam tensile testing machine and other equipment. The overall design of Shanghai Dianji integrates the advanced technology of Dianji instruments, which has the characteristics of beautiful appearance, simple operation, stable and reliable performance, and is used by major manufacturers for quality inspection in the flooring industry.
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