... faster than the normal one,metal mould,slate,marble,instrument board,pvc baord. Metal Engraving CNC Machine 3030Usage:This ... machine can be used to engrave on plexiglass, PVC board, lumber, artificial marble, copper, aluminum, plastic and ... label, construction model, handicraft, ornament, industry mold, instrument panel, carpentry product and other processing industry.Specifications: ModelItemSH ...