Cheap And Discounts CNC Aluminum Frame Kit 500*750mm 1000*1000mm Nema23 57mm Stepper Motor 3D Printer CNC Router Milling Engraving Machine Kit Wholesale. Buy Directly From Merchant XJX Tool & Equipment Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.