Since the signage system is divided into multiple subsystems, there are also many classification of identification cards.It can be broadly divided into the following categories:
1. According to the material classification, the common material is, stainless steel sign/acrylic sign/PVC sign/aluminum profile sign/other metal sign/different material combination sign;
2. According to shapes, the commonly used shapes are square, circle, triangle, polygon, profile-shaped, etc.
3. According to the purpose, it is generally divided into two kinds of luminescence and non-luminescence.
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