Oil Purifier, Fire Testing Equipment, Electrical Testing Equipment manufacturer / supplier in China, offering ASTM D2440 Oxidation Bath Oxidation Stability Analyzers for Insulating Oil, ASTM D5293 Cold-Cranking Simulator for Measuring Engine Oil′s Apparent Viscosity, Corrosive Sulfur Tester (by copper strip) ASTM D1275 Oil Corrosive Sulfur Tester and so on.