ExOne   
3D打印公司ExOne正式成立于2005年。前身是美国一家历史超过40年的非传统机械流程和自动化系统精密仪器开发供应商(ExtrudeHone)的一个部门。现在的ExOne已经发展成以3D打印和激光微细加工技术为核心，以3D打印机、打印产品以及激光微细加工器械的制造和销售为主，以针对有需求顾客的前期设计和铸造、售后培训和技术支持以及零部件和消耗材料的供应为辅的特色产品链。ExOne的产品所适用的常规打印材料包括硅砂、陶瓷、不锈钢、铜和玻璃，也包括一些别的不同层次工业用材料的打印许可，如钛、碳化钨、铝和镁等等。

ExOne is a global provider of 3D printing machines and printed products to industrial customers. ExOne's business primarily consists of manufacturing and selling 3D printing machines and printing products to specification for its customers using its in‐house 3D printing machines. ExOne offers pre‐production collaboration and prints products through Production Service Centers, which are located in the United States, Germany and Japan.  ExOne builds 3D printing machines at its facilities in the United States and Germany.  ExOne also supplies the associated products, including consumables and replacement parts, and services, including training and technical support, necessary for purchasers of its machines to print products.