Stai is the mainstream e-commerce App product for mobile internet in Europe, headquartered in Milan. It aims to open up the S2B2C channel, provides a free entry platform for small and medium-sized enterprises, offers a variety of services to attract businesses across Europe, and uses the platform's flows to draw customers for the enterprise.The app integrates product display, sales, payment, shipping and after-sales as one, which is easy to operate. With a variety of activities, it allows consumers to buy better quality products and services at lower prices.