* Stamped ink: Various colors such as black, blue, red, and yellow for selection
* Temperature range: 5-45℃
* Humidity range: less than 90%
* External dimensions: 270 x 387 x 506mm
* Stamp content: automatic stamp date, time, number, running water number, etc.
* Stamped materials: stamped metals, plastics, glass, wood boards, pipelines, building material surfaces, etc.
* Printing distance: 20mm to the surface of the object
* All parameters are for reference only, subject to the final contract agreement.