1. Suit for printing on smooth surface: tube and metal etc 2. Clear printing and hard to remove 3. Low cost 4. Rectangle Electric ink pad printing machine Max printing size :20*60mm 20*30mmmax printing height : 400mm 400mmprinting times : 10-60time/m 10-60time/mmachine size : 400*295*530mm 400*295*480mmnet weight : 20kg