Formulate and execute comprehensive sales strategies tailored to the automotive parts market, integrating technical insights to enhance product positioning; Provide in-depth technical consultation to customers including GM, Ford, and Stellantis, ensuring optimal selection and application of our products in their automotive systems; Conduct detailed technical presentations and product demonstrations; Perform cost review process for DCR (Design Change Request) from customers; Analyze and quote development cost (mold/jig/checker/facility, etc.) and manufacturing cost upon receipt of RFQ (Request for Quotation) from customers; Participate in technical sales meetings with customers where design, quality, manufacturing and production control issues are discussed and resolved; Research and improve various technical factors that influence production cost before the mass production; and Lead corrective actions to any sales related issues raised by GM and Stellantis, etc.