Responsibilities: Expand market business, develop effective promotion plans, and achieve sales targets; Build trust with major customer wholesalers/retailers; Gain a deep understanding of the needs and requirements of major customers, with a focus on smartphones; Continuouslypropose solutions that meet their goals and expand relationships with existing customers; Track and analyze sales data from wholesalers/retailers; Requirements: Familiar with the smartphone industry and have a strong interest in mobile phones; Familiar with market customers, retail customer sales experience preferred; Have strong sales skills, be able to negotiate with customers and obtain customer resources; Englishcan be used as a working language; 5-10 years ofexperience in digital product sales.