Profile: Black Gold Oil Tools Ltd. is a manufacturer of downhole tools. We specialize in precision oilfield engineering, manufacture, repair, and maintenance works. Our products are used in various industries including oil field and drilling applications. Our wide range of products are listed as top drive subs, drill collars, stabilizers, taper mills, flanges, and water bushings. Our mainstream services are manual & CNC turning, manual & CNC milling, precision welding, rotary threading, casing threading, tubing threading, phosphating, and calibration.