Looking for product problem-solving, inquiries, purchases, etc?If you have any questions, know that we're here to help.Simply contact us or submit a request, and we'll get back to you ASAP! and a member of our team will get back to you.For better and faster service, Please write the subject of the email like this:Order ID+ Problem type (shipping information, quality problem, other problems)Note：We recomend that you contact us directly via our service email with the necessary photos or videos. Email usJansno phone support is open from 10:00 am - 7:00 pm HK Time.To contact a member of our after-sales support team, email us at sz.jansno@gmail.comFor pre-sales questions, please leave a message on whatsapp: +86 185 7477 2568.Note:  Please do not contact whatsapp after sale, it will not reply. Pre-Sale: whatsapp: +86 185 7477 2568.After-Sale(10:00 am - 7:00 pm HK Time): sz.jansno@gmail.comNote:  Please do not contact whatsapp after sale, it will not reply.We'll get back to you within 24 hours of receiving your request. Business: janobike_kayee@hotmail.com