prod erpXYERP is the enterprise management suite of integrated applications that we develop and implement for our customers at Silicon Cloud(Xi Yun in Chinese). It is based on OpenERP, and includes sales management, purchasing management, warehouse management, customer relationship management, production management, program management, financial management, and human resources management. XYERP is highly cost-effective, with modular design providing a complete variety of enterprise applications, but without requiring the users to pay for software copyright fees. Modular not only allows users to get a unified platform for enterprise management applications, but also lets users to customize application modules based on requirements, step by step. Thus it avoids trying to solve all problems at one time, and leaving the project too big to be controlled.