The production process of imitation wood grain coated steel sheet mainly consists of three steps: substrate processing, coating and winding. First, cold rolled steel sheet or galvanized steel sheet is used as the substrate, and the surface is cleaned and anti-corrosion treated to ensure that the substrate is smooth and free of dirt. Then, a high-performance wood grain film is coated on the surface of the substrate. The film is usually made of PVC or PET materials with excellent weather resistance, and the color film is firmly adhered to the surface of the steel sheet through a special hot pressing process. In addition to wood grain, color films with various decorative effects such as floral patterns, brushed patterns, pearlescent patterns, etc. can also be applied. Finally, the coated steel sheet is rolled up and cut according to customer needs to ensure that it has a natural and beautiful appearance of imitation wood grain, while having the durability and strength of steel.