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GGM is an Air Conditioned Machine Shop!

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Metallurgical Laboratory

Lab Capabilities



Hardness Tester

Stereo Zoom Scope

Automatic Polisher

Micro Hardness Tester

GGM also has an in house metallurgical laboratory to inspect microstructure, micro hardness, hardness, depth, plating thickness etc… Our equipment, instruments & methods used are Direct Rockwell, Superficial Rockwell, brinell hardness, Knoop micro hardness & portable hardness.