How about Shanghai tebi Machinery Co., Ltd? Introduction: Shanghai tebi Machinery Co., Ltd. was established in 2001. it is a specialized company specializing in the sales of air compressor system equipment. recently, in order to further develop the demand, the company has expanded some new businesses and added some new products to meet the needs of different customers. welcome to visit our website. our company is located in Jinqiao development zone, Pudong New Area, Shanghai. as the sales division of Quincy Compressor and Wiken air compressor in east China, the company adheres to the principle of 'reputation first, efficiency first, user first, service first. we are committed to providing customers with first-class pre-sale, in-sale and after-sales service. at present, the company has many customers in domestic petrochemical, automobile, communication, electronics, steel, electric power, textile, pharmaceutical and other industries, and has corresponding after-sales outlets all over the country, provide

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Can a water filter harmful substances? Can the common cotton core and carbon core filter most harmful substances? There are many kinds of harmful substances. I don't know if you are the specific one or all. for example, the size of E. coli is 7 microns. In theory, the filter with filtration accuracy less than 7, it is possible to filter out the harmful substances of E. coli, but some harmful substances have small particles, so it is not easy to say, and some are poisonous, such as pesticides and microorganisms, which may be less than 7 microns, therefore, some of them can pass through, which is certain. As for how much, it is necessary to analyze the specific problems that small microorganisms can filter! But it is not necessarily harmful to see what it is! You can filter most of that!