The successful repair of the gearboxes for the large air separation unit significantly reduces the purchasing cost for the users, shortens the product delivery cycle, and also proves the technical, process, and assembly capabilities of our company. Product model: GSC680, rated power: 20400KW, center distance: 680mm, input shaft rated speed: 1500rpm, output shaft rated speed: 5450rpm, herringbone gear structure. At the same time, it also provides valuable experience and a solid technical and process foundation for our company’s later undertakings in the replacement of similar imported gearbox assemblies, maintenance services, and replacement of parts.