We welcome customer feedback and you can contact us by email, fax or post. We shall take follow-up action as soon as possible upon receipt of your feedback, or if appropriate, may refer it as a complaint to our designated staff for follow-up. We will acknowledge you within 1 working day after the receipt of the relevant information of your case. We will address your concern and feedback professionally, and will complete the investigation of your case and provide an official reply within 30 days. When we need to take more time for investigation, we will timely update you the progress and the result.

If you are not satisfied with our investigation result and reply, you may approach the following organizations for further assistance. We would fully cooperate with the relevant organizations in response to their enquiries or requests related to your case. Upon receiving your complaint, we will complete the verification and handling process within 15 calendar days and provide you with feedback on the handling result. If the case is complex, we will promptly explain the reason to you and inform you of the expected extended timeline.