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　　Beijing SANDI Technology Co.(3D Printing Technology, Inc.) is a 3D printing equipment and rapid manufacturing service provider, a national specialized, special and new "small giant" enterprise, and a typical application scenario supplier of additive manufacturing of the Ministry of Industry and Information Technology. At the same time has laser and binder jet 3D printing equipment and materials technology and application process, three emperor technology business covers the development and production of 3D printing equipment, 3D printing raw materials development and production, 3D printing process technology support services, rapid finished parts manufacturing services, etc., to establish a complete 3D printing additive manufacturing industry chain, widely used in aerospace, electric power and energy, ships, pumps and valves, automobiles, rail transportation, industrial machinery, 3C additive manufacturing typical application scenarios, the Ministry of Industry and Information Technology, and the company is a leading supplier of additive manufacturing, rail transportation, industrial machinery, 3C electronics, rehabilitation and medical treatment, education and research, sculpture and cultural creation and other industries.

　　Since its Longyuan Molding successfully developed the first commercialized industrial-grade 3D printer with independent intellectual property rights in China in 1994, SANDY Technology has independently mastered 3DP and BJ line scanning high-speed 3D printing equipments, materials and processes on the basis of many years of 3D printing equipments and applications such as SLS, SLM, etc., to meet the manufacturing needs of products of different sizes (from millimeters to meters), and has independently researched and developed SLS sand/wax printing, SLM metal printing, 3DP sand printing, BJ binder jet metal/ceramic printing and other series of intelligent equipment; the depth of the development of the casting field for the casting of aluminum, cast copper, cast iron, cast magnesium, cast steel and other casting of nearly 30 kinds of material process formulas, and for stainless steel, mold steel, titanium alloy, SiC ceramics, such as the BJ molding powder material adaptability process formulas, as well as the 5 big Through the 3D casting factories and printing service centers in Xianyang, Shaanxi Province, Daiming, Hebei Province, Pingdingshan, Henan Province, Yulin, Guangxi Province, Rizhao, Shandong Province, Anyang, Anhui Province, and Tongling, etc., the company has established the capability of full-size, multi-material, and full-chain rapid manufacturing services, and it can provide users with the rapid trial production of finished metal parts and batch production, as well as the services of casting sand molds and wax molds printing.

　　Based on the independent core technology of 3D printing equipment, materials and processes, SANDI Technology actively promotes the industrialized scale application of 3D printing and empowers manufacturing with digital technology.3D Empowerment): Through self-built and M&A foundries, to open up the "3D printing + casting" process, the formation of a replicable demonstration model, to help traditional foundries transformation and upgrading, to achieve green, intelligent, high-end casting; binder jet 3D printing technology is applied to enhance the powder injection molding, to achieve rapid batch manufacturing without mold, to help the industry to improve quality and efficiency, to promote the quality development of traditional manufacturing, transformation and upgrading, and to stimulate the hundreds of billions of rapid manufacturing market. Increase efficiency, promote the traditional manufacturing high-quality development, transformation and upgrading, pulling hundreds of billions of rapid manufacturing market.

　　SANDY TECHNOLOGY actively promotes the application of 3D printing in the 3C field (3D3C), focuses on the development of 3C-specific 3D printing systems and material processes, making SLM and BJ technologies possible for automated large-scale 3D printing production.

　　SANDY TECHNOLOGY pioneers the use of 3D printing in rehabilitation medicine (3D MedicalThe company obtained China's first medical device registration certificate for 3D printed customized titanium alloy hearing aids, and established a sales channel for "Taiyin" system hearing aid products.

　　Relying on the "three-in-one" collaborative innovation system of Guoqian Science and Technology Research Institute, postdoctoral workstation and enterprise R&D team, SANDI and its enterprises have declared nearly 300 patents and copyrights, and passed the certification 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.