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Contact Us

At cosermartcos we believe in providing the best customer service in the industry. If you have any questions about product quality or other questions, you can contact us for answers.The fastest way to reach us about any issues is by emailing us cosermartcos@gmail.com.  We strive to respond within 24 hours, but please be patient as it may take us a bit longer during periods of high volume.

We'd love to hear from you.

Email:  cosermartcos@gmail.com

Phone Number: +86 13640976109

Address: No. 68, Anfu Road, No. 4, Guancheng Family, Baoan District, Shenzhen City, Guangdong Province, China