PVC is PVC and shiny. Transparency is better than polyethylene, polypropylene, worse than polystyrene, PVC patches flexible and tough, sticky feel, common products of the same materials are plates, pipes, soles, toys, doors and windows, wire leather, stationery, etc. PVC is a polymer material that uses a chlorine atom to replace a hydrogen atom in polyethylene. What is the use of the PVC patches?

Nowadays, many people use custom challenge coins. Custom challenge coins are very common in people's life. But as we all know, not everyone is going to understand the process of custom challenge coins. And the process of a custom challenge coin determines its quality. A custom challenge coin of high quality must strictly follow the process and have a set of their process system. Then, let's introduce in detail what is the process of custom challenge coins?

A custom challenge coin is a coin that you wear on your body to identify yourself. In ancient times, there are tiger characters, fish characters, waist cards, and so on are now the rudiment of the custom challenge coin, has now had the custom challenge coin, especially the characteristics of the custom challenge coin. The origins of the custom challenge coin vary, but it is believed that they were designed to be easily identifiable on the battlefield. It's important to note that in the Middle Ages, in the kinsfolk system, warring parties often relied on knights and their vassals as their base unit, so it was important to identify one's master or servant. In any case, for a family of any stature, the custom challenge coin is a source of pride and cohesion. Then, let's introduce in detail what is the origin of the custom challenge coin?

Is the soldier usually to take the military rank qualification chapter? Do officers usually wear military police badges? Then, let's introduce in detail what is the difference between a military qualification badge and a military police badge?

From the first shot of armed rebellion against the Kuomintang reactionaries, a people's army was created. From this battle on, we had our uniform. In the TV series about this uprising, it is common to see that the soldiers who took part in the uprising wore red scarves. This is because the rebels were part of the national revolutionary army under the leadership of the Communist Party, so the military uniform was stipulated by the Kuomintang, so the red scarves were used to distinguish our army. Then, let's introduce in detail what is the difference between Chinese and American military police badges?

In the world, major countries and their militaries attach great importance to the construction of the meritorious service and honor commendation system, and take the medal system as an important part of the military award system, to play its unique role in commending heroic acts and sacrificing spirit, stimulating the fighting spirit of soldiers, and improving the public's concept of national defense. The provisions on the establishment, design and management of foreign military decorations and military coins are also worth studying and drawing lessons from. Then, let's introduce in detail what is the design philosophy of military coins?