This product is called a front view mirror and is suitable for trucks. In addition, it is also an aluminum mirror. First, the first step is cutting. Cutting square lenses is a 2-axis CNC cutting device that cuts large glass into small glass, while special-shaped cutting is a 4-axis CNC cutting device that cuts lenses into specified shapes. The second step is chamfering, using a chamfering machine to grind the edges and chamfer. Then there's the grill. The baking furnace should be set with appropriate rotation speed and temperature in advance, and then the corresponding mold bricks should be placed. Before baking, inspection should be conducted first, and then lenses should be placed for baking. Next is plating, remember what film to plating. Then there is painting. Finally, there is testing. Wipe the processed lenses clean first, and then place them on a brightly lit checkerboard for visual inspection to see if there are any distortion, dirt layers, spots, scratches, and other issues with the lenses.