Dongguan Jingrui Intelligent Manufacturing Technology Co., Ltd., also known as Jingrui 3D or JR Proto, is a high-tech manufacturing enterprise and integrated solution provider specializing in additive manufacturing and precision engineering. Based in Zhuhai, China, with a global business presence, the company operates as both a manufacturer and service provider. Established in 2023, the firm maintains a significant production infrastructure, including a 2,000 square meter facility and a workforce of approximately 51 to 100 employees. Their extensive manufacturing capacity features over 300 industrial SLA 3D printers, 200 SLM 3D printers, and 100 SLS machines, alongside 200 CNC machining centers and vacuum casting equipment.