Beijing SANDI Technology Co.(3D Printing Technology, Inc. )是一家3D打印装备与快速制造服务提供商，国家级专精特新“小巨人”企业，工信部增材制造典型应用场景供应商。同时拥有激光和粘结剂喷射3D打印设备和材料技术及应用工艺，三帝科技业务涵盖3D打印装备的研发及生产、3D打印原材料的研发及生产，3D打印工艺技术支持服务、快速成品件制造服务等，建立了完整的3D打印快速制造产业链，广泛应用于航空航天、汽车、电力能源、工业机械、船舶泵阀、轨道交通、3C电子、教育科研、雕塑文创、康复医疗等行业。

自旗下隆源成型于1994年研制成功国内首台自主知识产权的商品化工业级3D打印机以来，三帝科技在多年SLS、SLM等3D打印设备及应用的基础上，自主掌握了3DP、BJ线扫描高速3D打印设备、材料及工艺，可满足不同尺寸（从毫米级到米级）产品的制造需求，自主研发SLS砂型/蜡型打印、SLM金属打印、3DP砂型/蜡型打印、BJ粘结剂喷射金属/陶瓷打印等系列智能装备；深度开发了适用于铸铝、铸铜、铸铁、铸镁、铸钢等铸造领域近 30 种的材料工艺配方,和针对不锈钢、模具钢、钛合金、SiC陶瓷等 BJ成型粉末材料的适配性工艺配方，以及5大系列20多种材料的粘结剂；通过全国Wisdom CenterThe 3D casting factories in Xianyang, Shaanxi, Daiming, Hebei, Pingdingshan, Henan, Yulin, Guangxi, Rizhao, Shandong, and Tongling, Anhui have established full-size, multi-material, and full-chain rapid manufacturing service capabilities, which can provide users with rapid trial production and batch production of finished metal parts, as well as casting sand and wax printing services.

三帝科技基于3D打印装备、材料及工艺的自主核心技术，积极推动3D打印产业化规模应用，以数字科技赋能制造（3D Empowerment）：通过自建和并购铸造厂，打通“3D打印+铸造”工艺，形成可复制推广的示范模式，帮助传统铸造厂改造升级，实现绿色、智能、高端铸造；将粘结剂喷射3D打印技术应用于提升粉末注射成型，实现无模快速批量制造，助力行业提质增效，推动传统制造高质量发展、转型升级，拉动千亿级快速制造市场。

SANDY TECHNOLOGY actively promotes the application of 3D printing in the 3C field (3D3C），专注研发3C专用3D打印系统及材料工艺，使得SLM和BJ技术在自动化大规模3D打印生产成为可能。

SANDY TECHNOLOGY pioneers the use of 3D printing in rehabilitation medicine (3D Medical），获得了中国第一张3D打印定制钛合金助听器医疗器械注册证，并建立了“太音”系统助听器产品销售渠道。

Relying on the "three-in-one" collaborative innovation system of Guoqian Science and Technology Research Institute, post-doctoral workstation, and enterprise R&D team, SANDI and its enterprises have declared nearly 300 patents and copyrights, and passed the certificates of ISO 9001 quality management system, ISO 13485 quality management system of medical devices, ISO 45001 We have passed ISO 9001 Quality Management System, ISO 13485 Medical Device Quality Management System, ISO 45001 Occupational Health and Safety Management System, ISO 14001 Environmental Management System, Green Supply Chain Management System, CE, EAC, etc., and have been granted the qualification of Class I and Class II medical device access. We have participated in the drafting of many national and industrial standards, and 3 national standards have been released. We have undertaken 6 key R&D projects of the Ministry of Science and Technology of the People's Republic of China as well as many key scientific and technological projects at provincial and municipal levels. Awarded the first batch of "Quality Supplier of Additive Manufacturing" by the Ministry of Industry and Information Technology (MIIT), "Supplier of Typical Application Scenarios of Additive Manufacturing" by the MIIT, "Gold Prize of China Hi-tech Achievement and New Product Trade Fair" by the MIIT. "Second Prize of Beijing Science and Technology Award, Second Prize of Guangxi Science and Technology Progress Award, Second Prize of China Nonferrous Metal Industry Science and Technology Award, Second Prize of Machinery Industry Science and Technology Award. Second Prize of China Nonferrous Metal Industry Science and Technology Award", "Second Prize of Machinery Industry Science and Technology Award", "Global Foundry Industry Innovative Technology and Products", "National Foundry Equipment Innovation Award" and other honors.