West3D has the one of the most expansive selections of Qidi Plus 4 and other parts on the internet!
QIDI TECH
QIDI MAX4 Tungsten Carbide Nozzles – OEM Replacement (Multiple Sizes)
Sonderpreis€39,95
QIDI TECH
MCU - Controller - Motherboard for Qidi Q2 3D Printer
Sonderpreis€89,95