Can the automatic self-cleaning filter the hard water quality of deep wells reach the standard water quality? Not up to standard water quality.Self-cleaning filters are generally used as front-end pre-processing filters, and the accuracy is best in 20um at present. The hair of a person has 20-50 um.If you want to drink:It is also added to the back: bag filter, precision filter, mechanical filter, reverse osmosis equipment and other complete filtration systems.

Zhongshan Dajin caster Co.,Ltd. has steadily grown to be a Chinese leading manufacturer of leveling casters. Dajinwill continue to carry forward the enterprise spirit, which is, to be honest, innovative and efficient. Products and services serve as the foundation to develop the business. Friendly partnerships with customers are also greatly valued. Advanced technology and a good business reputation make a great contribution to the invincible position in the fierce competition. The caster wheels produced by Dajincan be used in many fields. anti static wheel is the main product of Dajin. It is diverse in variety. Many customers have given us the positive feedback of the product regarding its durability, overall performance, economic benefits. Brakes are available to improve its usability. With wide quality assurance system, our teamsets strict quality standards to ensure the quality of heavy duty casters. The proper thickness and width of its wheel make it safely support loads while at rest and while moving. If you are interested in our products, please feel free to contact us.

A batch of household water filtration filter elements imported from abroad are ultra-filtration. However, the tax number for customs declaration cannot be found. what is the tax number of the household water filter? Machines and devices for 8421211000 household filter or purified water, tariff 12 points, VAT 17 points.