eSUN PLA+ Refilament, 3D Printer Refill PLA Plus, 1KG per Roll, 4 Rolls Spoolless 3D Printing Filament for 3D Printers, Fire Engine Red

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.