Channels Like Yijin Solution
Yijin Solution covers precision manufacturing topics from prototyping to scalable production, focusing on materials and processes for CNC machining, aluminum, steel, titanium, brass, and surface finishes. The channel appears to publish tutorials and explainers (e.g., why certain materials are used, how to choose finishes, and material comparisons), with a recent emphasis on material selection and manufacturing considerations. Uploads average around 127 views per video, across 647 published videos since joining in November 2019, indicating regular content production in this instructional/educational niche.