Magnifier mould

Sanjia company developed sophisticated equipment polishing machine components replace traditional methods of mould polishing without her shape, material hardness limit of the original surface roughness not required, not fallen edges and corners, the maximum smoothness to Ra0.008, not sandpaper, rock, file, the costs less, is faster, better results; and welding inspection results against DNA material is particularly notable (inter expected patterns can to welding inspection)