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Job responsibilities: To be responsible for selection of valves and make quotation according to the requests of customers and salesperson Confirm and track production schedule to ensure customer orders are in line with requests in terms of quantity, spec and delivery. Coordinating with QC, logistics, supply chain and keep fact and record or document consistent. Report in time. Establish and update customer files，maintain effective communication with customers and internally; follow up issues, dispute, keep improving customer relationship; Provide accountable technical support and understand customer needs in time. Report in time and accurately. PO or CRM system input and maintenance. Payment claim. qualification： 1. Bachelor degree or above, Major in Mechanical engineering or related 2. self motivation, ambitiours, intiatives in product learning, problem solving, postive working and life attitude, 3. english CET 6 with excellent comprehesion is a must. 4, computing software such as office, cad, python, adobe 5, foreign candidate can be accepted