In CNC machining parts (including CNC milling parts and CNC turning parts), injection molds and sheet metal parts, shape or position tolerance symbols are often used. Here is a comparison table of
Geometric Tolerance Symbol for everyone:

We are a CNC machining company providing: CNC turning services and CNC milling services. Our parts services include: automotive parts manufacturing; drone parts manufacturing; medical equipment parts; robot parts; automation equipment parts; injection molds; sheet metal parts, etc.
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