Introduction: Kyoto Tool (KTC) was founded in 1950 and is headquartered in Kyoto, Japan. KTC's main product lines include socket wrenches, drive tools, socket wrenches, double headed wrenches, combination wrenches, pliers, torque wrenches, screwdrivers, various specialized tools, general work tools, precision molding tools, labor-saving equipment, and storage devices. KTC's main business is the production and sales of automotive maintenance tools, other general tools and related equipment, precision molding tools, and high-precision machine tool parts and industrial machinery parts using lost wax technology; Kyoto tool (KTC) official website: www.en.ktc.jp.