| Brand | Unbranded |
|---|---|
| Country of Origin | China |
Check the listing for details. Optical Seal Machine DIY Photopolymer Plate Exposure Engraving Machine A. Condition: New, Made in China. Listed at 207.39 USD. And then through the optical seal engraved chapter will be the pattern of light to the chapter, the system out of the seal has a sense of convex, need to seal the seal, the depth is generally 1.5-2.0 mm.