Caliper with meter
Electronic caliper
Height gauge
Depth gauge
Inner gauge
Electronic scale
Hardness tester
5 times portable eyepieces
Ordinary microscope
All of the above is the basic equipment. If the company has the strength, plus:
Three-dimensional measuring instrument (now popular)
Projector (now rarely used)
Spectroscopic instruments (analysis of product composition)
Torque machine
Tensile machine
Product destruction test machine (according to the factory situation of their own design)
300 small Die casting factories and companies with the previous type is enough.