... cup pad printer, seal ink cup pad printing machine, ink cup pad printer,Expsoure machine, exposure unit. This machine can print pens, keyboards, USB ... way:manual,not use power;2.ink type:closed ink cup;3.high-precision,low cost,easy operation; 4.suitable for ... and the printing of trademarks appearance decoration;5. sealed ink cup with good advantages such as: save ink, environmental protect, without ...