The official seal size of general enterprises and limited companies is 40 x 40 mm, the official seal size of self-employed individuals is 38x38mm, the width of round edge is 1 mm, and the appearance is 1. The five-pointed star in the central publication and the enterprise name in the foreign publication of the five-pointed star circulate from left to right, or the front of the name circulates from left to right. 2. The back section is arranged horizontally from left to right, and the seal script uses a simplified font.