Here is a look at the traditional stud welding process vs. the New Rule Products innovative approach to stud welding. With NRP, we strive to make the process safer for the ironworker, more efficient for the contractor, and raise the quality assurance for the structural engineer.
https://www.chinasavvy.com/industrial/permanent-mold-gravity-casting.php
Permanent mold castings, also known as gravity die casting, are particularly suitable for aluminium parts where a good finish is required. Chinasavvy is a gravity company using permanent mold castings for many parts including automotive components and other industrial parts.