1. Establish the main purpose of one's own water production. Once the main purpose is established, the necessary water quality for water production is known. As different fields have different regulations on water quality, it is possible to clearly define the conductivity of pure water and thus roughly determine the types of machinery and equipment.

2. It is necessary to understand the water resources and quality status of the application area to which one belongs, and clearly classify the equipment according to the type of raw water. Based on indicators such as raw water strength and suspended solid composition of fine sand, it is necessary to determine whether a pre CPU must be installed in addition.

3. Understand your requirements for water collection methods, installation and placement, and product appearance, and select a more suitable purified water equipment based on the above requirements.

4. Mastering the installation and after-sales maintenance services of service providers, it is necessary to attach great importance to the difficulties of installation and after-sales maintenance services when selecting products, and select marketing channels that can provide reliable installation services to purchase products.

5. Mastering the cost and method of dismantling and replacing filter cartridges after the product is done, water purification equipment must be used for a long time, and most of them must be maintained and replaced with consumables in the middle and later stages. Therefore, when selecting a product, it is important to be comprehensive and select the appropriate one

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