1. Product appearance

The appearance of the wood briquette making machine is also from the appearance, whether the shape of the processed coal rod is perfect and the shape is regular;

　　2. Product strength

　　The strength of the wood briquette making machine is related to the combustion performance and whether there will be brittleness during transportation. Only the strength is large enough to improve the combustion effect and facilitate transportation.

　　3. Working effect

　　The finished rod phase and strength of the coal rod mechanism can only become the external measurement standard of the product. The internal standard of the product depends on the effect of the product. Only when the effect is good can the value of the product be truly reflected.