The management system includes e-sign treasure, contract lock, group heroes, etc.

1. e-Signature was founded in 2002 and is the first electronic signature technology service provider in China. The product advantage is that the seal management system has a signing center, a seal control center, a document center, a management platform and a local storage. Demonstrate five core competencies.

2. Contract Lock was established in 2016 and is committed to providing digital trustworthy basic solutions for medium and large organizations that integrate digital identity, electronic signature, seal control and data storage services.

3. Qunjie was founded in 2014 and is headquartered in Nanjing. It is committed to providing customers with safe, compliant and efficient seal intelligent management solutions.