Sankei Chemical chose ERP5 because of its ability to implement the highly complex price models used in Japanese pesticide industry. Sankei runs an integrated ERP5 solution to manage pesticide production, purchase, sales, shipment and inventory. Thanks to ERP5s flexible design philosophy, the system could be fully customized to Sankeis business processes including interfaces for electronic trading data exchange with large industry organizations and key customers. The success case shows the importance of client-side project management for an ERP implementation project and why sometimes perseverance is required for a perfect requirement analysis.