When you have any opinions and suggestions on our products, packaging, transportation, after-sales service, business, response speed or other aspects, you can put forward them here. We will uphold the service concept of "sincere care for customers, quality creates value" and follow the tenet of "innovation and progress, customer satisfaction", so that you can get professional, efficient and satisfactory service. *It is required. Please provide detailed information as much as possible so that we can better serve you. We will help you in the way you want to reply. To send an attachment, please send it directly to mindci@sina.com