Types of rulers

There are usually scales on the ruler to measure the length. Some rulers have a special shape such as a letter or a circular hole in the middle, which is convenient for the user to draw pictures. They are usually used to measure the length. They are generally divided into tape measure, vernier caliper, square…

Ruler maintenance method

The most taboo of the ruler is the scratching and blurring of the engraved value. Therefore, the ruler has become the most cared item in the stationery. What should we pay attention to when using the ruler? 1. First of all, the method of using the ruler must be correct. For example, it is best…

Introduction of compasses

Compass (a mathematical tool) Compass is a tool used to draw circles or chords in mathematics and drawing, and is often used for drawing with rulers. composition Compasses are usually made of metal and consist of two parts connected by a hinge, which can be adjusted. Classification Compasses are divided into ordinary compasses, spring compasses,…

Introduce about binding machine

The product type of the binding machine refers to the binding method used by the binding machine. At present, there are generally hot-melt binding machines, comb-type apron binding machines, iron ring binding machines, strip binding machines, financial binding machines, etc. on the market. 1. Hot melt binding machine It has the following advantages: simple operation,…

How is the binding machine made

Design-starting from the user The design inspiration for each product comes from a real survey of a large number of users. After expert analysis, the optimal design plan is obtained, and it is created by a senior mechanical designer to achieve a more user-friendly operation performance and a more beautiful and unique appearance design. Research…

Bag’s storage and maintenance

Bags have become an indispensable part of modern people’s lives, but how to use them correctly and maintain them well to keep their favorite treasures as clean as new has become a problem for everyone. In fact, the most important thing in maintenance is “useful cherishment.” Usually, you should be careful not to be scratched…

How to choose schoolbags for children?

For elementary school students, it is more important to choose a healthy and suitable schoolbag. Then, how to choose? What kind of school bag is better? Are there any reference standards for purchase? What kind of schoolbag is really good for children’s health? Based on more than ten years of experience in customizing school bags,…

How to distinguish the materials of the bag

When we usually buy leather bags, we often don’t distinguish the materials clearly. Below, the editor will analyze two aspects for you, and I hope it will be helpful to you. Distinguish from the feel, 1. Cowhide: Cowhide has fine grain, thick skin, high strength, and good plumpness and elasticity. The cowhide feels tough and…