Ultralline 3D filament

Guangdong Shunde Ultralline 3D Technology Co., Ltd., founded in 2015, is a leading manufacturer of 3D printing filaments with a 12,000㎡ factory. “Ultralline” is our registered trademark. We specialize in high-performance filaments, with four in-house workshops covering raw material modification, accessory injection molding, filament extrusion, and packaging—achieving full in-house R&D and production.

Our facilities include 3 twin-screw lines (400 tons/month), 3 injection molding machines (150,000 spools/month), and 43 extrusion lines (400 tons/month). A dedicated QC team ensures strict quality control.

We offer PLA, PETG, TPU, carbon fiber-reinforced, PC, wood-filled, and anti-static filaments, all made with our proprietary modified materials. Our products are exported to North America, Europe, Japan, South Korea, and beyond, earning strong international recognition.