The document provides specifications for winding wires and 3 core flat cables produced by KEI for submersible pumps. It lists various models of winding wires and their diameters, insulation thicknesses, resistances, and other technical specifications. It also lists models of 3 core flat cables, specifying their wire sizes, insulation/sheath thicknesses, widths, thicknesses, resistances, and current carrying capacities. The document appears to be from the website of KEI Industries, listing these product options for customers.