Sealynx is an automotive company famously known in the sector for the development and manufacturing of innovative sealing systems and rubber compounds. These systems are essential for automakers leaders to protect vehicles against external elements such as noise, dust, or water (port seals, trunks, windows, etc.).​ ​ Sealynx operates from 3 sites (France, Romania, Morocco) and employs more than 800 employees. Their site in Tanger Automotive City is ultra-competitive in extrusion and finishing activities.​ Since 2013, the company has joined the GMD group.​