All Services Sales & Marketing Engineer $15/hr · Starting at $100 Advanced Excel,Aspen hysys for chemical engineering,Make a presentation by using prezi and sales & marketing for the Oil & Gas sector About $15/hr · Ongoing Download Resume Advanced Excel,Aspen hysys for chemical engineering,Make a presentation by using prezi and sales & marketing for the Oil & Gas sector Skills & Expertise Aspen HYSYSChemical EngineeringEngineeringMarketingMicrosoft ExcelOil And GasPreziSalesSales and Marketing 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Sales ExpertsPrezi DeisgnersChemical EngineersMicrosoft Excel ExpertsEngineersMarketers