Advanced Flow Products, Inc. ( AFP ) and Advanced Indicators & Manufacturing, Inc. ( AIM ) are Quality  driven Original Equipment Manufacturers (OEM ) of API 6A Christmas Tree, Choke Valves, Gate Valves, Choke Indicators and  Wellhead equipment used in both oil and gas applications. AFP manufactures Top Connectors, Tees and Crosses, Adaptors and spacer spools, Flanged Connectors, End Connectors, Thread  Connectors, Bull Plugs, Tubing Heads, Casing Heads, Ring Joint Gaskets, and Hangers for tubing and casings. Most notably, AFP  has a patent pending for a uniquely designed, low current / low torque automated choke for remotely controlling  an entire field of onshore / offshore wellhead chokes.