ZDHW-9000F (L) High precision microcomputer automatic Calorimeter (vertical)
ZDHW-8000A high-precision microcomputer fully automatic calorimeter (including computer and printer)
WDL-9000A High precision microcomputer automatic sulfur tester (24 samples at a time)
WDL-9000B High precision microcomputer automatic sulfur tester (21 samples at a time)
WDL-8000A high precision microcomputer automatic sulfur measuring instrument
WDL-8000B microcomputer liquid crystal rapid integrated sulfur
GF-8000A Fully Automatic Coal Quality Industrial Analyzer (including computer and printer)
GF-8000 Automatic Coal Quality Industrial Analyzer (including computer and printer)