Marifil Mines (TSXV:MFM) Signs Definitive Letter of Intent on Argentina Potash Properties - Video Posted on InvestmentPitch. Boeing is one of the very few American export success story. I am a post graduate in Marketing with Science background, with more than 13 years of experience sales and marketing. I dont know more about it but if somebody know any services like that please let us know. There are no secrets in the business that only the priesthood knows.