Job Description - Maintaining relationship with existing client/continued effort to expand customer base - Obtain inquiries and make quotation, considering competition with others - Collecting information from our operation team to maximize leads from client (collect all inquiries from all subcons' at our client site) - Cordinate with client to fix mobilization and demobilization schedule/prepare necessary documents such as SIA/SIO and others - Proactive documents collection to bill invoice/ proactive payment follow-up from client - Promptly respond to client's request and coordinate internal - Liaise with other members of the sales team and other technical experts to solve client's problems - Input necessary data on customer data base and continuously maintaining itJob Requirement ・Bachelor's degree from any major, studying in Chinese-speaking country is highly preferred ・Business level of Mandarin and High conversational level of English ・1-2 years experiences as Sales and Marketing or Fresh-Graduate with related ・major or internship experience ・Able to WFO and travel domestically ・Can drive a car and own SIM A