First, pay attention to the size

 

The file cabinet needs to be placed indoors, so the selected products must be able to be placed indoors. Therefore, when purchasing, we must pay attention to the size of the selected product to be equal to the size of the environment to be placed by everyone. Can be too large, not too small, this is a very important skill in the time to choose a file cabinet, we must pay attention.

 

Second, look at the surface roughness

 

This is also a very important skill. In general, if a good product is touched by hand, the surface is very smooth and there will be no rough feeling. And those products that are not so good may feel rough. Therefore, we can see from the roughness of the product whether a product is a product of No.

Third, see the situation of the welding site

 

Although the welding of the product is a very small part, the quality of the welding is directly related to the quality of a product. Therefore, we must pay more attention to the welding position of the product at the time of purchase. This is for everyone. Very important technique.