... stone cnc engraving router 2,CE,SGS,ISO,CIQ,SAI 3,step motor 4,4.5kw water-cooled spindle 5working area 1300x1300mm JiaXin Stone ... Industry1. Granite, Marble, Bluestone, Sandstone and other stone engraving 2. Hard stone like Granite can be layered engraved to reach ... Industry1. Granite, Marble, Bluestone, Sandstone and other stone engraving 2. Hard stone like Granite can be layered engraved to reach ...