Mainly there are 3 types of production standards - industry, national and international standards. Some hepa filter manufacturer manufacturers may even establish their unique production management systems to guarantee the product quality. The industry standards are made by industry associations, national standards by administrations and international standards by certain authorities. It is a common sense that international standards such as CE certification, are necessities if the manufacturer intends to do export business.
Nanjing Blue Sky Filter Co.,Ltd. does extremely well in the industry of cooker hood filters. The automobile filters series has become a hot product of Blue Sky. The manufacture of Blue Sky cloth vacuum cleaner bag adopts a variety of methods to cut and join tensile fabrics, such as advanced sail-making techniques. The technical key indicators of filter bags products have reached the international advanced level.
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