The formable size of LiM-X650H is 650mm×650mm×1600mm (excluding substrate), which is an international leading level, especially the printing depth, which is one of the highest levels of commercially available metal additive manufacturing equipment. The equipment is equipped with a complete closed-loop powder automatic conveying system. The whole process of parts printing does not require manual intervention in the powder loading and unloading and screening process. It is equipped with a parts powder cleaning and recycling module, which is efficient, practical and safe. It can be widely used in aviation, aerospace, automobile manufacturing and other fields.