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Welcome to LONGER | Most Affordable 3D Printer!
The latest LONGER LK1 /LK4 or Alfawise U20/U30 Mainboard, Original 3d Printer Motherboard longer3d motherboard Longer 3D Compatible with LONGER LK1, LK4, Alfawise U20, U20 Plus, U30. (Please note that the power contactor has been upgrade for better one and we will provide the power cable as well)
This mainboard is an upgraded one to LK1/LK4/U20/U30/U20 Plus, but it's still fully compatible with the old LONGER LK1/ LK4 and ALFAWISE U20/U30/U20 Plus(OEM by Longer). It has been tested by longer 3D R&D department. We have upgraded the firmware before we send it.And you would reach our Google drive to download the latest firmware:
U20 Plus: https://drive.google.com/file/d/1tsxiwbM0-OlyHtoZVQX08F2nd5-OZeFH/view?usp=sharing
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.