Sales Admin

We are looking for SALES ADMIN, working for Fabric-Garment-Fashion Joint Stock Company, headquartered in HCMC, Factory in Dong Nai and Office in the US with detail as follows:
Responsible for coordinating with departments to promote support and promote sales activities to increase sales.
Internal Sales Contract, Receivable, Pending Issue Invoice, Pending Debt, Profit & Loss by Project, Sales Products Categories and customer information
Maintain and expand supplier network
Support on conducting purchasing planning on yearly basis
Maintain close relationship with customers, remind customers to renew services at the right time to ensure benefits
Work with sales and different department to purchase items needed for project and company operations
Implement purchasing procedures and processes (evaluating optimal purchase options/suppliers selection/signing/importing/payment)
Responsible for coordinating with departments to promote support and promote sales activities to increase sales
Support to work with suppliers and other teams to resolve incidents incurred
Support on evaluating, plan to execute to optimize material cost
Answer customer inquiries or requests about business services