1. Job Description - Check and track Sales support for Sim-related issues; - Making reports to monitor and synthesize data of market sales, customer visits, stores... - Register for customer support, sale - Register subscriber information; - Handling and supporting customers; - Handling office tasks such as issuing invoices, ctv contracts, etc. - Check number information, book numbers, contact to make contracts for customers; - Coordinating agent care to increase revenue; - Call to contact and take care of the company's selling points and agents. 2. Request - Proficient in the use of computers, especially Word & Excel. - Experience in sales and soft skills is an advantage.