About JoysongInstallation/Testing equipment

===Electricity===
Digital oscilloscope Digital three-meter
Digital ammeter(RMS value) Phase sequence table
Battery internal resistance tester Load simulator(resistive)
 
Power cable cromper(oil pressure type)
===Optical Fiber===
Fiber fusion splicer Optical time domain tester(O.T.D.R)
===Phone===
110 type terminal block wire bonding tool Telephone line checker
===Network===
Information socket/panel wire tool RJ45crimping tool(AMP)
FLUKE DSX-600 FLUKE DTX-1500
Digital cable tester DTX-1800 CABLEIQ