Shanghai SmartPay Jieyin Co., Ltd., an operator of electronic payment systems, and Nanjing Yinyan Airlines Services Co., Ltd., the biggest airline ticketing agent in Nanjing, recently announced a plan to launch mobile airline ticketing for customers in Nanjing, Jiangsu Province. The strategic cooperation calls for significant build-out of mobile air ticketing over the coming months.     SmartPay and Yinyan's service allows customers to purchase airline e-tickets by sending a simple SMS or IVR instruction. With the movement toward nationwide airline e-ticketing in China, and Yinyan's leadership in Nanjing, the joint cooperation is a key example of how SmartPay works with leading merchants to innovate and deliver new payment methods.     SmartPay provides mobile payment platform building upon its extensive network with banks and mobile operators in the region. Yinyan processes over 180 million yuan (22.5 million US dollars)worth of air tickets annually. SmartPay has also recently announced cooperation for mobile air ticketing in other key provinces throughout China, complementing its leadership in other payments including pre- and post-paid mobile phone bills, lottery ticketing and utility bill payments.