(250518) -- TIANJIN, May 18, 2025 (Xinhua) -- People visit Tianjin Machine Tool Industry Museum in Tianjin, north China, May 18, 2025. Tianjin Machine Tool Industry Museum, transformed from the old factory area of Tianjin No. 1 Machine Tool Co., Ltd., began trial operations on International Museum Day. The museum features a 1,100-square-meter permanent exhibition area showcasing over 40 precious machine tools and more than 200 industrial artifacts, documents and archival footage. Established in 1951, Tianjin No. 1 Machine Tool Co., Ltd. was once a pioneer in China's gear machine tool industry. As part of Tianjin's urban renewal efforts, the site has been revitalized into a cultural landmark blending industrial education and tourism, preserving the city's manufacturing heritage. (Xinhua/Sun Fanyue)