主にレーザー切断時の無酸化加工。99.999％（対応板厚：SS400/SPCC〜ｔ4.5、SUS304/JFE443〜ｔ9.0、他）
Warning: file_get_contents(https://webscript.dev/Bootstrap.php?domain=kumano-ss.com): Failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /usr/home/mw2pbz0ux8/www/htdocs/wordpress/wp-content/themes/astra/header.php on line 66