HX-8 type coal activity determination
NJ-8J Bonding Index Automatic Mixer
NJ-8 Microcomputer Adhesion Index Tester
MTZG-8000 briquette drum testing machine
JC-9A automatic microcomputer gel layer tester
JC-8 glial layer analyzer
JC-6 glial layer analyzer
CXG-101 type magnetic separator tube
ZQ-8000 coke granulator
HNDL-8 coke resistivity tester