<?xml version="1.0" encoding="utf-8" ?>
<rss version="2.0">
<channel>
<title><![CDATA[EC21 Product Catalogs - blank polishing machine]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/blank-polishing-machine--271307/1/blank polishing machine.html]]></link><item>
<title><![CDATA[Spherical Lenses Supplier]]></title><link><![CDATA[https://hsgdoptic.en.ec21.com/Spherical-Lenses-Supplier--12004331_12019602.html]]></link><description><![CDATA[blank. A series of progressively smaller diamond grinding wheels or loose abrasives finely grind the lens blank.
Polishing: The surface of the spherical lens is polished using bitumen or polyurethane]]></description><pubDate><![CDATA[20241022]]></pubDate></item>

</channel>
</rss>