For after-sales service, please ensure that your purchase was from www.ottocast.com, and attach the order number which we provided.
In order to provide you a better service and speed up responding time, Please select the corresponding email address to contact and do provide the relevant information before submitting an inquiry. It will be appreciated that if you can provide us your vehicle models, year of manufacture, and cellphone model for a quick compatibility matching, we will do our best to assist you.
We aim to respond to all inquires within 24 hours.
If you need pre-sales or after-sales service, please contact our support mailbox so that we can see and reply as soon as possible:
Phone/What's App/: +86 18823716432
For Press, Marketing, Colloaboration, please contact: email@example.com
For orders purchased on Amazon,
please contact: firstname.lastname@example.org
For Partnership, Distribution, Wholesales and other business enquiry, please click here to learn more>> Become our Reseller
US Company Address:
20 park street, 20E, Alhambra, CA91801, USA
HK Branch Address:
Rooms 131819, 13/F, Hollywood Plaza, 610 Nathan Road, Mongkok, Kowloon, Hong Kong.
China Company Address:
Shenzhen Luzhiyin Technology Co., Ltd.
2nd Floor,13th Building, DaYun RuanJian XiaoZhen, Longgang District, Shenzhen, 518172, China
- Office Hour: 9:00-12:00; 14:00-18:00. (GTM+8)
- Monday - Friday