Peek, PPSU, Pei manufacturer / supplier in China, offering 1.75mm Easy Printing PLA 3D Printing Filaments, High Quality Carbon Fiber Filled 3D Printers Filament Engineering Plastic Wear Resistance 1.75mm 3D Printing Peek Filament, Advanced Carbon Fiber 1.75mm Peek Filament for 3D Printing and so on.