"Welcome to Express Concept Limited's App! We are a diversified company that focuses on the wholesale and retail of faucets, electronic faucets, copper accessories, and bathroom accessories. As a decoration material supplier, we provide high-quality engineering projects and decoration services, and are committed to providing customers with the highest quality products and professional services. Our App provides the following main functions:  Quotation management: easily create and manage quotations, ensuring transparent and efficient prices.  Customer management: manage customer information, provide personalized services and support, and improve customer satisfaction.  Invoice management: simplify invoice generation and management. Process to help you handle financial affairs efficiently. User management: Manage user accounts at any time to ensure convenient information updating and management. Work notification management: Receive important work notifications instantly to maintain efficient business operations and communication. Download our App now to enjoy convenient product management and services, and use our professional engineering projects and decoration services to bring higher quality to your projects!