eSUN PLA Filament, High Toughness 3D Printer Filament Upgraded PLA Filament, Dimensional Accuracy +/-, 1KG per Spool, 4 Spools 3D Printing Filament for 3D Printers, Black

Founded in 2002, eSUN compounds polymer in-house and supplies raw material to a number of white-label brands. Their own catalog covers PLA through high-temperature engineering grades — one of the broadest material ranges from a single manufacturer.