1.Screen Printing Machine: Screen Printing Machine Material: Plastic, Galvanized Screws, Aluminum Alloy Bearing Bushing; Three Sizes (Table):240 x 300 mm, 405 x 310 mm, 590 x 440 mm; Maximum Screen Thickness: 40 mm; Base Thickness: 1.37 mm; Table Thickness: 1.46 mm 2.Table Upgrade: The back of the manual screen printing table is additionally sprayed with paint, providing enhanced rust protection. The reinforcement plate has been upgraded from one side to two sides, and the plate thickness has increased from 0.84mm to 1.46mm. 3.Temperature Baking Varnish for the Entire Machine: The screen printing machine's paint is resistant to peeling and offers rust protection. The base, screen clamp, and counterweight block have been upgraded from the original spray painting process to stoving enamel. 4.Aluminum Alloy Bearing Sleeve: The small screen printing machine's bearing sleeve has been upgraded from recycled plastic to aluminum alloy with sealed bearings, ensuring rust protection. The galvanized screws feature smooth threads, making them easy to tighten and resistant to snagging.