日韩欧美精品人妻无码国模国产在线观看,，午夜天堂精品久久久久亚洲奶水无码一区二区三区,，最新日本免费一区二区中文69人妻

Everyone has his own standard when buying products, so how to choose a zinc alloy floor socket with good cost performance Yeah. With the gradual popularization of well-off life, people have higher and higher requirements for the quality of life. We have more small appliances in our homes, so the demand for electricity in our homes is growing. As a result, ground plug gradually enters people's life. This product is very convenient in daily life, and even becomes an important part of generic cabling.

So how to judge the quality of ground plug? This is a very important daily issue. Whether we buy from online business platforms or offline stores, we should fully consider their safety and quality assurance. The following points are the selection criteria listed in the mini list, which you can refer to.

1. Appearance

We need to observe the process and color difference of the product surface. In the production process of regular products, it is necessary to pass the salt spray test. In the test process, we can find some panels with quality problems, such as blistering, oxidation, cracks, etc. in the test process. Therefore, we should carefully observe the flip floor socket Check whether the shell and panel are smooth, fine and uniform in color.

2. Mechanical properties

There are many kinds of floor plugs. At present, according to their opening methods, they can be roughly divided into spring type (with spring frame accessories inside), flip type (with manual panel turning up), and flat push type (with automatic push after pressing the button inside). Understanding the mechanical properties and hand feel of these products is one of the important standards for us to judge the quality of ground plugs. After using it for a period of time, many sons of man will find that some products cannot be opened, closed, secured, and opened smoothly in early summer. In order to eliminate this phenomenon, we must choose the products of regular manufacturers with 3C certification, and choose the products with test reports when purchasing.

Professionals will also plug the mini floor; The structure and material of the product are studied, so as to better find the shortcomings and problems of the product. Choices are important, as are purchasing criteria. Did you get it?