Oil Testing Instrument, Laboratory Test Equipment, Viscometer manufacturer / supplier in China, offering ISO 13736 IP170 ISO 1516 ISO 1523 Automatic Abel Closed Cup Flash Point Tester, ASTM D4530 Automatic Petroleum Products Micro Method Carbon Residue Analyzer, En15751 Auto Biodiesel Oxidation Stability Tester Rancimat Method Test Apparatus and so on.