We, Xiamen PRT Tech Co.,Ltd., which has the certificate of ISO 9001:2000 and our own R&D team and factory, is the professional manufacturer of thermal printer mechanism and mobile thermal printer. So far, there are eight models of thermal printer mechanism ( 2' & 3' ) completely compatible with Fujitsu, Seiko, APS, Samsung etc, and two models of mobile thermal printer (2' & 3' ).