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Welcome to LONGER | Most Affordable 3D Printer!
The latest LONGER LK4 PRO or Alfawise U30 PRO Mainboard. (Please note that the power contactor has been upgrade for better one and we will provide the power cable as well)
The firmware download:
LK4 PRO: https://drive.google.com/open?id=1AlBe8k7FUY9VtomARSi0RPOkf0PvzUwW
This is the LONGER Official Online Store, all the products are original from Longer. The printers, filament and resin are all shipped from local warehouses to avoid the import tax and make for faster delivery.