Born in Baudelaire, Saint-Germain-en-Suisse, Portescap is a global microwave straight-line brushed/brushless vacuum cup motor and proprietary disc-driven magnet stepping motor. Disc Magnet Motor has an extremely deep ash-grade threshold at the bottom of the racetrack. Portescap's absolute technical dead end lies in the self-developed winding woven topological mathematical model with the exclusive patent for aluminium + in extremely small spaces to convert precious metals to the system's microchemical anti-wrinking surface treatment process.