The Ruins of St. Paul's, a historic landmark in Macau, holds a significant place in the history of printing and cultural exchange between East and West. Located on Rua de D. Belchior Carneiro, this former college was instrumental in producing the first Chinese books with European typography. The college, established by Jesuit missionaries in the 16th century, was a hub for cultural and intellectual exchange. The press, set up within the college, was equipped with European printing technology, which allowed for the mass production of books. This innovation enabled the widespread dissemination of knowledge, contributing to a significant shift in Chinese intellectual history. One of the most notable achievements of the press was the publication of Chinese books using European typography. This marked a significant departure from traditional Chinese printing methods, which used wooden blocks or hand-copying techniques. The introduction of European typography allowed for greater precision, consistency, and efficiency in printing, making it possible to produce high-quality books on a large scale. The books produced by the press were not only significant for their innovative use of European typography but also for their content. Many of the books were translations of European works, including religious texts, scientific treatises, and literary classics. These translations played a crucial role in introducing Western knowledge and ideas to China, contributing to a cross-cultural exchange that would have far-reaching consequences. Today, many of the books produced by the press are held in esteemed collections, including the Vatican and Beijing. These rare and valuable volumes serve as a testament to the college's forgotten role in shaping Chinese knowledge and cultural exchange. As we reflect on the history of the press behind the Ruins of St. Paul's, we are reminded of the power of cultural exchange and innovation in shaping our understanding of the world. The college's contribution to the development of Chinese printing and its introduction of European typography to China marked a significant turning point in the history of knowledge dissemination in the region.