SmartPay Jieyin develops mobile and phone-based payment systems for consumers in China. It also offers mobile phone airline ticketing services. SmartPay allows customers to purchase airline e-tickets by sending a SMS or IVR instruction. In addition, it processes payments for digital cards, utility bills, and lottery tickets. The company was formerly known as Sumit Mobile Systems, Ltd. The company was founded in 2001 and is based in Shanghai, China.