Gongbo Mall provides online technical support services. Users can ask technical questions related to industrial products according to their own needs, such as product information, product selection, product related accessories, product installation and commissioning, product maintenance and repair, Product optimization and transformation, etc. At the same time, users of Gongbo Mall can also find the questions they are interested in in the "Know" section of Gongbo Mall. Finally, the technical engineers of Gongbo Mall will answer the questions and answers one by one. Review and give reasonable answers for users' reference. These answers will be used as search results to meet the needs of users with the same or similar questions. You can also call the hotline of Gongshang Mall: 021-331666777 to feedback the problem to the customer service staff, we will help you to connect with the relevant technical staff for your problem as soon as possible.