- Maintain existing customers and expand new customers- Prepare and deliver technical presentations describing services to current and prospective customers- Collaborate with engineer teams to understand customer requirements and provide sales support- Plan and modify services to meet customer needs- Read the BOQ technical specifications and engineering drawings by studying all relevant customer documents to prepare cost estimates that are proposed to management for approval and submit quotation to customer- Coordinate with internal and external organizations- Soliciting and logging client feedback and evaluating the data to create new sales and marketing strategies to target customers- Resolves customer complaints by investigating problems , developing solutions , preparing reports- Provide detailed instructions on troubleshooting motor maintenance and after sales service , etc