Tianjin ::
China
| updated 2013-05-17 02:15:53 -0700
| technology-news
Han Bing adjusts his handmade 3D printer in Tianjin municipality, North China, May 16, 2013. Based on the method released on the internet, the 41-year-old by himself made this machine eventually, which cost some 2,000 yuan ($325) and took four...