Expansion: Rutang Technology is a professional payment service company dedicated to providing safe and efficient payment solutions for various Internet platforms. By cooperating with Rutang Technology, Walnut Programming can make full use of the payment technology and channels of Rutang Technology to provide users with diversified payment methods, including bank card payment, third-party payment and offline payment, to meet the payment needs of different users. At the same time, Rutang Technology can also provide professional services such as risk control and fund settlement for walnut programming to ensure a safe and reliable payment environment for walnut programming platform. Through the cooperation with Rutang Technology, walnut programming can better provide users with a convenient payment experience and promote the development of the platform and user satisfaction.