National High-Tech Enterprise · Independent Intellectual Property

Technology Empowers
Paper Cultural Heritage

ZHONGCAI Technology — Dedicated to paper document deacidification protection, providing one-stop solutions for archives, libraries and cultural institutions.

2015 Founded
32 Cities Covered
65 Patents & Copyrights
562 Project Cases

Pioneering "Bulk Deacidification" Theory

Developed in collaboration with top universities including Zhejiang University and Fudan University, based on micro-nano structural research of paper fiber materials

Single-Page Mist-润 Deacidification

Designed for single-page paper documents, the mist-application method uniformly penetrates deacidification agents, ensuring precise protection for each page while maintaining document integrity.

  • Original document safety guaranteed
  • Precise deacidification treatment
  • Environmentally safe and friendly

Whole-Volume Permeation Deacidification

Designed for complete books and archival volumes, the permeation method provides deep treatment without dismantling pages, enabling batch processing of entire document collections efficiently.

  • No page-by-page disassembly required
  • Intelligent high-efficiency batch processing
  • Deep and uniform permeation

Comprehensive Paper Deacidification Solutions

Full-series deacidification equipment, reagents and intelligent testing systems covering archives, libraries and museums

Mist Deacidification Equipment

Five models including volume deacidification machines, batch processing units and precision systems for diverse treatment scales and requirements.

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Calcium-Based Deacidification Reagent

Green, safe and eco-friendly water-based calcium reagent. Unlike organic solvents, it poses no harm to operators or original documents.

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pH Non-Destructive Intelligent Testing System

Integrates moisture-locking, positioning, cleaning, data storage and smart transmission for quick, precise and safe pH detection of paper documents.

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Deacidification Technical Services

Client-first, sincere service philosophy. Professional on-site deacidification technical services ensuring optimal treatment outcomes for every project.

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Three Core Application Scenarios

Deep application across archives, libraries and museums — serving 32 cities nationwide with 562 completed project cases

Archives

档案馆

Professional deacidification protection for archival institutions at all levels — preserving paper records and safeguarding historical memory.

Libraries

图书馆

Professional deacidification treatment for rare books and ancient manuscripts in public and university libraries, protecting precious literary heritage.

Museums

博物馆

Safe and reliable deacidification protection for paper artifacts, calligraphy, paintings and ancient manuscripts in museum collections.

Latest News

Industry insights, company news and deacidification knowledge — stay informed on the latest developments in paper document protection

Company News 2023-08-21

Won Bid for Taizhou Municipal Archives Deacidification Equipment Project

ZHONGCAI Technology successfully won the bid for the Taizhou Municipal Archives deacidification equipment project, further deepening its presence in Zhejiang Province's archival preservation sector.

Company News 2023-10-09

Published Research: Practical Exploration of Permeation Deacidification Technology

ZHONGCAI released its research findings on permeation deacidification technology at the 2023 China Library Annual Conference, receiving widespread recognition from the industry.

Knowledge 2023-06-16

Paper Fiber Nano-Structure Deacidification Theory and "Bulk Deacidification" Explained

An in-depth analysis of paper document acidification mechanisms and the scientific principles behind "Bulk Deacidification" theory and its practical applications in cultural heritage preservation.

Begin Your Document Preservation Journey

Our expert team is ready to provide consultations and tailor-made deacidification protection solutions for your institution

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