Zhang Yin is an online personal banking financial management software developed by banks based on PDA platform.
Users can transfer funds through PDA and manage their own finances comprehensively. Palm Bank can help users realize offline payment function on their mobile phones, and users can put multiple bank cards in their mobile phones.
As long as both merchants and consumers have mobile phones with Internet access, payment can be realized. Zhang Yin's technical process of mobile e-commerce and mobile payment has been initially approved by the State Patent Office.