Scope of acceptance
If the product you purchased has quality issues, if you are dissatisfied with our service, or if you encounter inappropriate behavior from our employees or representatives (including rude, impolite, or other unprofessional behavior), you are welcome to file a complaint with us. We will investigate and actively seek solutions as soon as possible and improve our service quality in a timely manner, and ensure that your rights are protected. We will attach great importance to your feedback and opinions, and thank you for your attention and support to our company.
Feedback Channels
Phone number：
0755-26974539
Email Address：
cn@keydiy.com
Mail Address：
Room 201, Building A, 5#, Chuangwei Innovation Valley, Tangtou No.1 Road, Shiyan Subdistrict, Bao'an Shenzhen
Warm Tips
Dear users, in order to ensure that you have the best experience when using our products and services, we would like to provide you with some warm tips and precautions：
1、Accurately describe the problem ： When submitting a complaint or issue, please provide as detailed and accurate information as possible, including product model, order number, specific problem description, etc. This will help us understand and solve your problem faster.
2、Reserve purchase voucher ： Please reserve the purchasing proof ofthe product properly, such as invoices, receipts, or order confirmations. This will help us better to verify your purchase information and provide more accurate after-sales support.
3、Read product documentation ： Before using the product, please carefully read the user manual, technical guide, or operating instructions provided with the product. These documents will provide you with important information about product features, operating procedures, and common questions.
4、Safe use of products ： Please use the product correctly according to the safety operation specifications and follow the relevant safety warnings and precautions. If you encounter any safety hazards or issues while using the product, please stop using it immediately and report it to us.
5、Keep smooth communication ： After submitting a complaint or issue, please ensure that your contact information (such as phone number, email address) is accurate and accessible. Thus we can contact you promptly and provide you with further support.
6、Respect the communication and solutions ： We hope to establish a positive communication and cooperative relationship with you to solve your problems. Please maintain respect and politeness towards our staff, and work together to find the best solution.

If you have any suggestions or opinions about our services, please feel free to let us know. Your valuable feedback will help us continuously improve and enhance the quality of our services.
Thank you again for your trust and support！