come to China. This was no friendly call. I'm looking up to fa to make up to 50 to 55 kilos of the final products.It was a drug deal. According to federal prosecutors, the video exclusively obtained by NBC News. The executives worked for a Marvel Biotech, a China-based company that sold fentinel precursors, the raw chemicals used to make the deadly drug.Boasting online 100% stealth shipping, prosecutors say by disguising their illicit products as dog food, nuts, and motor oil. The Chinese company arranged t ...