What makes cold machining important here?
It is the clearest process-level expression of the site's quartz fabrication strength.
This zh-cn route already supports the site's most important process story and can accept final Chinese editorial content later.
Replace with machining or feature-inspection imagery later.
Quartz cold machining is one of the clearest process-level expressions of the site's commercial positioning.
This route is already in place for later polished Chinese copy and sales use.
This zh-cn quartz-cold-machining page is a placeholder implementation aligned with the English route.