Oil Purifier, Fire Testing Equipment, Electrical Testing Equipment manufacturer / supplier in China, offering ASTM D240 Automatic Oxygen Bomb Calorimeter with Self-Cooling System for Coal Calorific Value Test, 80kv Vlf Hipot Tester Power Cable Insulation Testing for Generator Vlf Hipot Testing, Vlf AC Hipot Tester 0.1Hz 30kv Portable Cable Withstand Voltage Test Set and so on.