On 19 September 2026, the National Science Library, Chinese Academy of Sciences (NSLC), and the OAPEN Foundation hosted a meeting in The Hague, the Netherlands, on “Advancing Diamond Open Access Book Publishing and International Collaboration.” Representatives from the National Science and Technology Library (NSTL), the Agricultural Information Institute of the Chinese Academy of Agricultural Sciences, Shanghai Jiao Tong University Library, the University of Science and Technology of China Library, and Open Science NL (OSNL) of the Dutch Research Council (NWO) participated in the meeting. The meeting was chaired by Zhao Kunhua, Associate Research Librarian at NSLC.

Niels Stern, Executive Director of the OAPEN Foundation, welcomed the participants and introduced OAPEN’s development and work. Liu Xiwen, Researcher at NSLC, introduced the background of the meeting and participating organizations. Hans de Jonge, Director of OSNL, shared the development of Open Science in the Netherlands and the roles of funders, libraries, and other stakeholders in supporting Open Access book publishing. Zhao Ruixue, Deputy Director of the Agricultural Information Institute of the Chinese Academy of Agricultural Sciences, presented the current state of Open Access books and book chapters in agricultural science and discussed potential pathways for further development. Cheng Jinhua, Director of Shanghai Jiao Tong University Library and Distinguished Professor at Koguan Law School, shared perspectives from both academic library and scholarly perspectives, focusing on cooperation mechanisms, sustainability, and scholar engagement. Guo Lei, Deputy Director of the University of Science and Technology of China Library, shared experience from the institution’s participation in the Open Access book project under SCOAP3 and emphasized the importance of aligning international cooperation with institutional needs and strengthening technical and service support.

The meeting focused on the draft “Initiative for Collaboration between Chinese Academic Libraries and the OAPEN Foundation on Diamond Open Access Book Publishing.” Participants discussed possible cooperation mechanisms and implementation pathways, as well as the sustainable development of Diamond Open Access publishing, collaboration between public funders and academic libraries, the discovery and dissemination of Open Access books and chapters, future models of scholarly communication, and international collaboration networks.

The meeting strengthened mutual understanding between Chinese academic libraries and the OAPEN Foundation and provided a basis for further exploring practical cooperation in Diamond Open Access book publishing.