The purpose of customs declaration is to be responsible for the import and export customs declaration of the company's materials. Generally, the customs declaration certificate issued by the state is required. Planning department is a department whose main job is brand promotion and advertising. Its main job is to be responsible for the company's brand promotion and planning, establish and develop the company's corporate culture, product culture, market culture and management culture, control the company's project planning, establish and publicize the company's external image, establish exchanges between the company and superior departments, and establish exchanges between the company and industry media.