Group 1 - Chongqing Tongxingjing Seal Engraving Service Co., Ltd. has been established with a registered capital of 50,000 RMB [1] - The legal representative of the company is Wang Pei [1] - The business scope includes licensed projects for seal engraving, which requires approval from relevant authorities [1] Group 2 - General projects include sales of daily necessities, advertising design and agency, digital advertising production, advertising publication, and enterprise management [1] - The company can independently conduct business activities based on its business license, except for projects that require approval [1]