e-commerce electronics computer systems Spa supply chain freight CRM scanning B2B Supply chain management customer relationship management electronic components data transfer e-business Software Solution operating systems creditors forecasting Electrical Wholesalers invoicing software systems foreign currency Application Software bar code sales ledger debtor Purchase Ledger Sales Order Processing third party logistics nominal ledger Purchase Order Processing Electronic Data Interchange sales analysis General Ledger Vendor Managed Inventory Consignment Stock integrated business management Database Products warehouse control Integrated Email Integrated Computer Systems