Visitors look at a piece of equipment to make porcelain works with the use of 3D printing technology at an exhibition in Jingdezhen, East China’s Jiangxi Province, Oct. 20, 2016. The machine can reduce production time from five days to 20 hours with high accuracy and a 100 percent success rate. Insiders say the new technology poses a threat to traditional manufacturing techniques. (Photo: China News Service/Wang Haoyang)