Software Platform

Seal Manager Seal Management Platform Z6

Streamline the entire seal usage process, making seal management safer, more efficient, and intelligent

Seal Manager Seal Control Platform Z8

A seal control platform that meets the complex seal usage scenarios of large enterprises

Seal Manager Contract Comparison OCR

Intelligently compare pre- and post-signing contract texts to improve efficiency and control risks

Seal Manager Electronic Signature System

Sign anytime, anywhere online, meeting various electronic signature needs of organizations

Seal Manager Quantum Smart Seal System

Empowered by quantum encryption, encrypting seal usage documents and images to ensure security

Hardware Products

Sealing Devices
Automatic Smart Seal Terminal

Automatic sealing, safe and worry-free, precise and efficient

Manual Smart Seal Terminal

Convenient operation, flexible seal usage, meeting various manual sealing needs

Automatic Integrated Seal Terminal

Install seals without cutting, ushering seal management into a new era of intelligence

Seal Control Devices
Seal Usage Workstation

Smart seal management hub, ensuring safe, efficient, and traceable seal usage

Storage Devices
Smart Seal Cabinet

Meeting the centralized seal control needs of large enterprises

Smart Document Cabinet

Meeting the centralized document control needs of large enterprises

Integrated Devices
Smart Workstation

An integrated solution for centralized seal storage, smart seal usage, and efficient office work

Industry Solutions

Construction and Real Estate

Build a digital engine, create new productive forces

Transportation and Logistics

Enhance enterprise operational efficiency and seal usage risk control

Manufacturing Industry

Empower the manufacturing industry, ignite new productive forces

Energy Industry

Drive green and low-carbon development in the energy industry through seal digital innovation

IT Services and Internet

Assist in preventing seal usage risks, achieving digital IT success

Financial Industry

Leader in digital seal solutions for the financial industry

Commerce and Retail

Assist commerce and retail in preventing seal usage risks

Military

The preferred choice for digital seal solutions in military enterprises

State-Owned Enterprises

Empowering central state-owned enterprises with smart seal transformation to reduce costs and increase efficiency

Villages and Towns

Smart public seal, enhancing public service capabilities

Government Affairs

Assisting government seal digital transformation with high efficiency and compliance

Small and Medium Enterprises

Serving small and medium-sized enterprises with the first brand of seal digitalization

Pharmaceutical and Health

Assisting the pharmaceutical industry with seal digital management

Hot Solutions

Seal physical and digital integrated control solution

Combining hardware and software for comprehensive seal usage security

Standalone (offline) seal usage

Supports offline operation to ensure seal usage security in offline environments

Unattended self-service seal usage

Empower the manufacturing industry, ignite new productive forces

Localization, new technology innovation

Secure and controllable innovation, fully adaptable

Success Cases

Service Support

Background image
Smart Seal Leading, Innovation Driven – Zhang Guanjia, creating a new chapter of intelligent management with enterprises!
Committed to ensuring corporate seal security through intelligent seal management, improving management efficiency, and driving industry digital transformation
Book a demo

About Seal Manager

ABOUT US

Management platform

Mobile app

Internet of Things

Zhang Guanjia Based on intelligent hardware and smart seal management platforms, integrating physical and electronic seals, it has built a soft and hardware integrated solution including a smart seal management platform, intelligent seal terminals, seal usage workstations, smart seal cabinets, and intelligent seal workstations. It achieves digital and efficient control of seal usage across all scenarios, processes, and lifecycle stages. The entire seal usage process and content are recorded to ensure compliance and traceability for every document. This helps organizations mitigate seal usage risks, enhance seal management and signing efficiency, and reduce operational costs. Public seals are protected from unauthorized use, using Zhang Guanjia.

Development history

2012

Incubated by the parent company, closed research and development started

2015

Product market adaptation completed, regional service agency layout

2016

Beta version product release

2017

S1 product fully launched, Zhang Yin brand launched

2018

Intelligent terminal products released, brand renamed to 'Zhang Guanjia'

2019

Workstation SS1 product released, fully opened for partnership, S2 product fully released

2020

Industry-university-research base established, intelligent risk control module released, S2 Lite version product released

2021

Intelligent seal cabinet product released, intelligent file cabinet product released, physical and digital integrated solution released

2022

Seal control middleware solution released, blockchain solution released

2023

Intelligent workstation product released

2024

Zhang Guanjia Seal Control Middleware Z8 V3.0 released