WoSign Digital Certificate Trusted Root Information
WoSign have its Sub-CA under UTN root, here is the all UTN root CA in IE “Trusted Root Certification Authorities”:

WoSign have 5 Sub-CA roots for different digital certificate products, here is the details:
(1) WoSign SGC Server Authority
This root is for issuing SGC ZhenSSL that support Server-Gated Cryptography (SGC) technology to provide stronger encryption (at least 128 bit) for secure communication between clients and servers. SGC ZhenSSL is a SGC-enabled High Assurance SSL certificate:

Download(if you need): UTN - DATACorp SGC - WoSign SGC Server Authority
(2) WoSign Premium Server Authority
This root is for issuing ZhenSSL that to provide auto-negotiation strength (40/56/128bits) for secure communication between clients and servers. ZhenSSL is a High Assurance SSL certificate:

Download(if you need): UTN-USERFirst-Hardware - WoSign Premium Server Authority
(3) WoSign Server Authority
This root is for issuing KuaiSSL that to provide auto-negotiation strength (40/56/128bits) for secure communication between clients and servers. KuaiSSL is a Low Assurance SSL certificate that only verifies the domain name:

Download(if you need): UTN-USERFirst-Hardware - WoSign Server Authority
(4) WoSign Code Signing Authority
This root is for issuing Code Signing Certificates for software publishers, we provide free time stamping service for Microsoft Authenticode Signing:

Download(if you need): UTN-USERFirst-Object - WoSign Code Signing Authority
WoSign Free Time Stamping URL: http://timestamp.digicert.com
(5) WoSign Client Authority
This root is for issuing Client Certificates for personal and organizational secure communication:

Download(if you need): UTN-USERFirst-Client Authentication and Email - WoSign Client Authority