Petroleum Instruments, Laboratory Instruments, Lab Tester manufacturer / supplier in China, offering XRY-1A Oxygen Bomb Calorimeter--manual, ASTM D92 SYD-3536D Automatic Cleveland Open Cup Flash Point Tester, SYD-0193B Automatic Lubricating Oils Oxidation Stability Tester of Steam Turbine Oils by Rotating Pressure Vessel and so on.