How To Distinguish Between Bristles?
- Jul 19, 2018 -

1, the toothbrush hair can be distinguished according to the softness of the bristles, the first thing to do is to sharpen the silk, followed by nylon hair, eucalyptus silk, imitation nylon, silk king (propyl wire);

2, the second method is the feel of the bristles of the toothbrush. Of course, the best thing is to try the toothbrushes of different toothbrushes yourself.

How is the price of a disposable toothbrush calculated?

The toothbrush is composed of a toothbrush handle and a toothbrush. The price of the toothbrush is calculated in grams. After getting the weight, it is necessary to distinguish which material the toothbrush handle belongs to. The toothbrush belongs to that one. After the above problems are solved, one toothbrush is solved. The price will come out.