Core Viewpoint - The company Shanxi Zigu Xuan has developed a water-based ink that allows for the substantial reproduction of ancient texts, achieving a breakthrough from visual imitation to true imitation of historical documents [1][2]. Group 1: Product Development - The water-based ink is free from chemical agents and is based on traditional Chinese writing ink, incorporating various natural plant agents, making it suitable for printing on hemp paper [2][3]. - The ink addresses environmental concerns associated with modern oil-based inks and overcomes the issue of books becoming illegible after a century [3]. Group 2: Material Innovation - The company has focused on improving the quality of hemp paper, which has better moisture absorption and stability compared to traditional paper, making it more suitable for printing ancient texts [3]. - A new environmentally friendly method for producing hemp paper has been developed, utilizing biological treatment with weak alkaline fungi to reduce pollution and enhance the durability of the paper [3]. Group 3: Market Position and Collaboration - The company has established partnerships with provincial museums, memorials, and publishers to provide ancient reprints, including notable works such as "Jiang Tie" and "Lanting Xu" [4].