Dedicated to paper document deacidification protection — guardians of cultural heritage
Founded in 2015, Hangzhou ZHONGCAI Technology Co., Ltd. is a National High-Tech Enterprise specializing in paper document deacidification protection, holding fully independent intellectual property rights.
The company pioneered the "Bulk Deacidification" theory, leveraging research platforms at top-tier universities including Zhejiang University and Fudan University. Through deep investigation of the micro-nano structure of paper fiber materials, ZHONGCAI has established a comprehensive technology system centered on single-page mist deacidification and whole-volume permeation deacidification technologies.
Guided by the principle of "client-first, sincere service," the company provides archives, libraries and cultural institutions with a full suite of deacidification equipment, reagents and technical services. Our operations now cover 32 cities nationwide, with 562 completed application cases and 65 registered patents and software copyrights.
Driven by technological innovation, committed to cultural preservation, and dedicated to client satisfaction
Continuous R&D investment, advancing the "Bulk Deacidification" theory as our core, constantly pushing technology boundaries to lead industry development.
The safety of original documents is our top priority. All technical solutions are fundamentally premised on causing no damage to original materials.
Water-based calcium deacidification reagents — green, safe and non-toxic, posing no harm to operators or the surrounding environment.
Sincere service for every client, providing professional and attentive technical support from needs assessment through to project completion.
From startup to industry leader — every step reflects our unwavering commitment to cultural preservation
Hangzhou ZHONGCAI Technology Co., Ltd. was established at Zhejiang University Science Park, beginning its dedicated journey in paper document deacidification protection technology R&D.
Pioneered the "Bulk Deacidification" theoretical framework. Completed development of single-page mist deacidification technology in collaboration with Zhejiang University, securing the first batch of national patent approvals.
Officially certified as a National High-Tech Enterprise. Whole-volume permeation deacidification technology completed development and entered commercial deployment; product line expanded to cover the full deacidification equipment series.
Operations expanded across multiple provinces and cities. Accumulated service to over 200 archives, libraries and museums nationwide. pH Non-Destructive Intelligent Testing System officially launched.
Featured at the 2023 China Library Annual Conference. Released landmark research on permeation deacidification technology. Patents and software copyrights reached 65; application cases surpassed 500.
Multiple authoritative certifications reflecting ZHONGCAI's professional expertise in paper document protection
Officially certified as a National High-Tech Enterprise, with technology innovation capabilities recognized by authoritative bodies
A comprehensive patent portfolio covering core technologies, with outstanding independent intellectual property advantages
A representative enterprise for China's independent national brand in the paper document deacidification protection field
Participated in research and formulation of industry standards related to paper document deacidification protection
Established joint research and cooperation platforms with Zhejiang University, Fudan University and other leading institutions
Operations spanning 32 cities across China, with services delivered to more than 562 project cases
Whether you manage archives, libraries or museums, we have a professional solution for you
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