Oil Purifier, Fire Testing Equipment, Electrical Testing Equipment manufacturer / supplier in China, offering Fully Automatic Four-Sample Ring and Ball (R&B) Softening Point Tester for Asphalt, Parallel Dual-Unit Low-Temperature Atmospheric Distillation Apparatus for Volatile Oils, Automated Benchtop Xrf Analyzer for Sulfur Content in Petroleum Products (ASTM D4294) and so on.