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ZYY-4 straight shear preloader
ZJ strain control direct shear
ZJ strain control direct shear instrument (four joint)
GJY type Ko consolidation instrument
YYW-2 strain control type unconfined pressure gauge
WG type single lever consolidation instrument (triple high pressure)
GZQ-1 automatic pneumatic consolidation instrument
wave3000
WAVE2000S
ST3000 static load tester
PT2000 pile low strain tester
RT2000 geotechnical resistivity tester
GMU-type small pore water pressure gauge
DMT-W1 flat shovel side expansion instrument (automatic recording)