... 3 high speed gear wheel 4 Water cooling Gweike metal copper aluminum Desk CNC ROUTER WK2030Supply with CE certificate,1) ... solid wood door , craft wood door , no-paint door , folding screen , craft window , shoe polisher , game machine cabinet , computer table ... and some other material . Mould Area : Metal mould eg :engraving copper , aluminium and iron, and nonmetal mould eg scagliola ,sandstone , ...