The company independently developed 3DP sand printer 3DPTEK-J1800S. the equipment adopts the inkjet principle, by spraying the binder on the mixing platform of the special sand material and curing agent, and solidifying and molding layer by layer. The equipment uses international first-line high-precision, high-throughput nozzles, the printed products have good dimensional accuracy, high strength, low outgassing, excellent surface quality, to achieve non-contact automatic molding of the product, the equipment is stable, easy to operate, real-time monitoring of the working state, abnormal automatic alarm, safe and reliable operation. The equipment can be widely used in aerospace, military industry, automobile, ship, engineering machinery, scientific research institutes, digital sculpture and cultural and creative fields.