... cell airtime, sms printer, top-up air recharge For more information, please visit www.telpo.com 1. Introduction of SMS Printer ... Solutions 5. Specifications 6. Company OverviewFounded in 1999, Guangdong Telepower Communication Technology Co., Ltd is a high-tech company which researches, develops ... terminal seriessms printer, air voucher device etc. For more information, please visit www.telpo.com