- Mardongan Digital
- Digital Test, Multimeter, Oscilloscope, Spectrum Analyzer, Network Analyzer, Telecommunications Test, Logic Analyzer.
- Address:Jl. Anggrek No. 58
- PT. Tridinamika Jaya Instrument
- Clamp meter,Digital Multimeter,Power Meter,Oscilloscope,Anemometer,KATRONIC,Hioki,Fluke.
- Address:Boulevard Raya Blok BA3/15
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