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Thanks for your choosing WoTrus certificates. From May 11, 2015, WoTrus provide 7 x 24 x 365 customer service, please call us, send email to us and click the Live Help button for live chat with customer service team.

Currently, WoTrus Certificate Store (https://buy.wosign.com) support Chinese only. But we provide English version for FREE SSL certificate and FREE Email certificate, please visit: https://buy.wosign.com/free/.

WoTrus CA Limited

Addr:502#, Block A, Shekou Technology Building 2,Nanshan District,Shenzhen 518067, China

Phone: +86-755-8600 8688

Fax: +86-755-3397 5112

Skype: wosign.us

WoSign Email

Sales Contact Information


Phone: +86 - 755 - 8600 8688

Skype: wosign.us

Support Contact Information

Phone: +86 - 755 - 8600 8688


Phone: +86 - 755 - 2602 7842

Report Abuse

If you have encountered a WoTrus Secured seal or certificate that is used incorrectly, please report it to WoTrus, thanks.

1、Report Secure Seal Abuse

2、Report Code Signing Misuse

3、Report SSL Certificate Complaint