Guoying Stacy Zhang is specialised in Chinese Art, Buddhist Art, and cross-cultural studies. Her work involves writing, curating, and art consultancy.

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張國瑩的研究領域為中國藝術、佛教藝術、與跨文化研究，工作涉及寫作、策展、藝術顧問服務。

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G. S. Zhang Consulting advises individuals and organisations on building and promoting their art collections. Services include acquisition, research, curation, and public relations. G. S. Zhang also helps clients design and manage projects that advocate Chinese art and culture, Buddhist art and teachings, and cultural exchange. 

淨善文藝為個人與機構建立與推廣其藝術收藏提供藝術顧問服務，服務範圍包括選購、研究、策展、以及公共關係。淨善文藝也幫助客戶策劃與管理項目，推廣中國文化藝術、佛教藝術與智慧、文化交流。