Contact Us

Our office hours are 9 a.m. - 4 p.m. PST from Monday to Friday. we respond to most emails within a business day, but if you don't get a response from us, please check your spam bin!

Email:
support@costzon.com
About product pre-sales and after-sales service
marketing@costzon.com
About marketing and product promotion cooperation
hi@costzon.com
About other business inquiries
Phone Number: 8442421885


Be patient my friend, we are doing our best to get back to you as fast as possible! Please do not send multiple emails as this could delay our response time.