How to show creativity in the thick steel plate material of public signs?

Acrylic, stainless steel, iron plate, PVC board, adhesive, etc. These materials can be used alone or combined with each other to realize various forms of expression, which are both creative and beautiful. Long-term publicity card is a publicity card to show the society the work of forest management system, a contact card to communicate with the public, a commitment card for forest managers at all levels to perform their duties, and a display card for the effectiveness of ecological civilization management.