Youli Electronics , IATF 16949:2016 certified manufacturer, produces automotive-grade Melamine Glass Cloth Laminate Tubes. Withstanding 180°C (Class H) and dielectric strength ≥14.2kV/mm (in oil), our tubes are ideal for motor windings, EV charging piles, and high-voltage insulation in new energy systems. Custom ID 3mm-100mm available, PPAP documentation and 48-hour sample service supported.