Measuring Instrument Websites:
casteelnoble.com
Casteel Industries - Hardness Tester - Rockwell, Brinell, Brinell Utility...
Manufacturer of quality & accurate all purpose hardness testing machines for ferrous & non-ferrous metals.
rikeninstrumentation.com
Home - Rikken Instrumentation Limited
Energy Meter, Test and Measuring Instruments Manufacturer.