The diameter is generally: 600mm, 800mm, 1000mm, 1200mm;

Aluminum plate thickness is divided into: 1.2mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm;

Reflective film grades are divided into: commercial grade, engineering grade, high intensity grade, super intensity grade, diamond grade;

Slotted channel width is divided into: 65mm, 80mm, 100mm;

Suitable for various road sections and areas; specifically such as: highways, national roads, provincial roads, county roads, rural roads, parking lots, factory areas, construction sections, etc., indicating the meaning of directing vehicles and pedestrians to proceed, which road users should comply with. Based on road condition information, install corresponding directional signs.