Jiangsu GLB Digital Technology Co., Ltd.(English name Global Laser Box, hereinafter referred to as "GLB") is a provider of intelligent metal 3D printing factory solutions. It uses independently developed industrial-grade SLM metal 3D printing equipment and software to provide users with metal 3D printing equipment and products. The application areas include high-end dental industry molds, 3C consumer electronics, aerospace, etc., to help large-scale production. At present, the company has two SLM metal 3D printing equipment production bases in Yancheng, Jiangsu and Changde, Hunan, and four major 3D printing service bases in Changde, Wenzhou, Hunan, Zhejiang, Tinghu, Yancheng, Jiangsu and Yannan. The total construction area is about 20000 square meters and there are about 150 employees, and R & D personnel account for about 21%. There are more than 180 patent applications, which are laid out in advance in core industry patents and Industry 4.0, such as: 3D printer equipment development of 3D printer smart systems, 3D printing process development, laser optics, etc.