GSmach provides 3D printer filament extruder. The main production of 3D printer filament production，support all kinds of raw materials, line neatly and roll up neatly. With advanced PLC technology, production is convenient, simple operation. We in the United States and other countries, there are customers, by the unanimous praise. Our company has more than 14 years of rich experience in the extruder industry. We are professional in 3D printing filament production line.