Oil Purifier, Fire Testing Equipment, Electrical Testing Equipment manufacturer / supplier in China, offering ASTM D36 Automated Bitumen Softening Point Tester by Ring-and-Ball Method, Digital Centrifuge Extractor for ASTM D2172 Analysis of Asphalt Content, Water Content Tester Volumetric Mothod Karl Fischer Tester ASTM E203 Moisture Analyzer and so on.