On the basis of years of SLS, SLM and other 3D printing 1.0 equipment and applications, SANDI Technology has independently mastered 3DP, BJ line scanning high-speed 3D printing 2.0 equipment, materials and processes, which can meet the manufacturing needs of products of different sizes (from millimeters to meters); independently developed a series of intelligent equipment, such as SLS Selected Area Laser Sintering, SLM Selected Area Laser Melting, 3DP Sand Printing, and BJ Binder Jet Metal / Ceramic printing and other series of intelligent equipment; in-depth development of nearly 30 kinds of material process formulas for cast aluminum, cast copper, cast iron, cast magnesium, cast steel and other casting fields, and 5 series of more than 20 kinds of material binder; through the country's more than 10 smart manufacturing centers, and 3D printing rapid casting demonstration factories in Xi'anyang, Shaanxi, Rizhao, Shandong, Tongling, Anhui, Dame, Hebei, Guangxi Yulin, etc., to establish the full-size, multi-material, full-chain rapid manufacturing Material, full chain of rapid manufacturing service capabilities, can provide users with rapid finished parts manufacturing, complex sand, sand core, wax printing, sand printing rapid casting, wax printing precision casting and other services.